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You can use an external drive or secondary volume as a startup disk from which to install the Mac operating system. Creating the Install Disk. Choose Create macOS Install Disk from the File menu. DropDMG will ask you to select an installer (downloaded from the Mac App Store or Apple’s developer site) and then to select a destination volume. It will then erase the destination volume and use it to create a bootable install disk.

1. Create Install Media Yosemite Free
2. Create Install Media Yosemite Windows 10

You can create a rescue bootable media - a standalone version of Acronis True Image that you can use to boot a crashed machine or a machine without any operating system and restore an image of your system. Follow these instructions to create a bootable media.

Another terrific option for a custom Apple Watch face is Watchmaker. This app is different than Watchsmith in that you actually create a face with a look and feel you like. You can add a calendar to the face if you like and choose from one of many styles. Or just make the background and add your own complications right from your Apple Watch.

How to create Acronis Bootable Rescue Media on a Windows computer

1. In the Tools section, click Rescue Media Builder:

• Apple develops its own operating systems to run on its devices, including macOS for Mac personal computers, iOS for its iPhone, iPad and iPod Touch smartphones and tablets, watchOS for its Apple Watch smartwatches, and tvOS for its Apple TV digital media player.
• To see how much memory your Mac has, choose Apple menu About This Mac. To see how much storage space is available, click the Storage tab in the same window. These Mac models were offered with 128GB hard drives as an option. Apple recommends 256GB or larger hard drives so that you can create a Boot Camp partition of at least 128GB.
• Run VLC Media Player. Immediately after installing VLC, you can run it by making sure the 'Run VLC media player' box is checked and clicking Finish. When you want to run VLC in the future, you'll double-click the VLC app icon on your desktop or select it from Start.
• Step 3 - Choose the Windows 10 clean install option Once you're in the Setup program, select your language, time and currency format and input method, and click Next. Click the Install Now button.

2. Choose a creation method:

• Simple—This is the easiest option. Acronis True Image will choose the optimal media type for your computer. If you use Windows 7 or a later version, WinRE-based media will be created. For users of Windows XP, Acronis True Image checks if WAIK or WADK is installed on your computer, and if so, then WinPE-based media will be created. Otherwise, Acronis Media Builder will create a Linux-based media.
• Advanced—This option allows you to choose a media type, therefore you can create the rescue media not only for your computer, but for a computer running a different Windows version.

1. Select a destination for the media:

• CD/DVD
• USB flash drive
• ISO image file
• WIM image file (available only for WinPE-based media)

2. Click Proceed:

First, select the bootable media type: WinPE-based media or Linux-based media

If you select the option 'WinPE-based media':

Create Install Media Yosemite Free

1. Select architecture and toolkit:

• Choose 64-bit (x64), regardless of whether your Windows is 64-bit or 32-bit.

  Note on the option '32-bit (x86)':
  The option '32-bit (x86)' under the 'Architecture' drop-down list is for very rare cases of tablets and other devices, that run 32-bit UEFI firmware - not to be confused with 32-bit Windows!

• Select a toolkit that you want to be used for the rescue media creation. Windows Recovery Environment is recommended, because it usually has all the drivers required for the successful hardware recognition. In case of significant hardware upgrade scenarios, like a migration from old SATA HDD to a faster m.2 NVMe SSD you may need to add drivers for the new hardware on the next step of the Media Builder.
• If the Windows Recovery Environment is missing or Acronis Media Builder is unable to detect it, choose the second or third option. If you plan on using NMVe / M.2 / U.2 / RAID / PCIe, the second option (Windows 8, 8.1 and Windows 10) is preferred, even if the operating system inside the backup is still Windows 7, because here the operating system refers to the choice of the base of the bootable media, the small 'portable' OS that runs inside the bootable media, completely independent from the operating system inside the backup.
• If you choose Windows AIK or Windows ADK and you do not have the selected kit installed on your computer, then you first need to download it from the Microsoft website, and then install the required components—Deployment Tools and Windows Preinstallation Environment (Windows PE).

2. For better compatibility with your hardware, you can select drivers to be added to the media. Because finding the right drivers can be time consuming, you can skip this step, finish creating a bootable media, try and boot the computer from it and see if the disks / network / NAS are detected successfully in the Recovery's 'Browse' dialog window. If some hardware is not detected, re-create the bootable media, this time not skipping this step and adding the drivers.

The drivers must be extracted in a folder so that individual files .inf, .sys, .cat etc are present. If the drivers are in a single .exe or .msi file, try launching this file, see if it offers an option to extract rather than install drivers.

Download and unzip drivers from the computer manufacturer's website. You need drivers, that are listed under 'Storage', 'Chipset', 'Disks', 'SATA', 'AHCI', 'RAID', 'NVMe', 'PCIe', 'M.2', 'U.2', 'USB', 'Network', 'Ethernet', 'Wi-Fi' sections. If you do not need network support, skip 'Ethernet', 'Network' and 'Wi-Fi'.

Sometimes computer manufacturers do not provide the drivers in extractable format, or the PC's hardware could have been customized afterwards. In such case you need to figure out the model of the controller that is used to access the disk and find the drivers for it in zip/rar/7z format.

One of the most popular drivers that are needed for a successful internal drive recognition, and that are missing in the default clean WinPE media, are Intel RST drivers.

Download and unzip the latest version of Intel RST drivers that support the hardware where the bootable media will be used. If you are unsure about what model of Intel controller is used, launch Windows Start menu, type cmd, right-click the found result and select 'Run as administrator' or 'More'-'Run as administrator', then execute the following command:

wmic path win32_pnpentity where 'caption like '%Chipset%' OR caption like '%AHCI%' OR caption like '%RAID%' OR caption like '%SATA%' get caption

Note that the above command should be run on the computer where the bootable media is intended to be used, not where the media builder is running (if these are different computers).

Find the latest version of Intel RST drivers at https://downloadcenter.intel.com/product/55005/Intel-Rapid-Storage-Technology-Intel-RST-

Version 16.8: https://downloadcenter.intel.com/download/28400/Intel-Rapid-Storage-Technology-Intel-RST-User-Interface-and-Driver-for-Intel-7th-8th-Generation-Platforms

• Intel® 300/240 Series Chipset Family
• Intel® 200 Series Chipset Family SATA AHCI/RAID Controller
• 7th Generation Intel® Core™ Processor Family Platform I/O SATA AHCI/RAID Controller
• Intel® 100 Series/C230 Series Chipset Family SATA AHCI/RAID Controller

Version 15.9 https://downloadcenter.intel.com/download/27400/Intel-Rapid-Storage-Technology-Intel-RST-User-Interface-and-Driver

• Intel® 200 Series Chipset Family SATA AHCI/RAID Controller
• 7th Generation Intel® Core™ Processor Family Platform I/O SATA AHCI/RAID Controller
• Intel® 100 Series/C230 Series Chipset Family SATA AHCI/RAID Controller
• 6th Generation Intel® Core™ Processor Family Platform I/O SATA AHCI/RAID Controller

Version 14.8 https://downloadcenter.intel.com/download/26759/Intel-Rapid-Storage-Technology-Intel-RST-User-Interface-and-Driver

• Intel(R) 9 Series Chipset Family SATA AHCI/RAID Controller
• Intel(R) 8 Series/C220 Series Chipset Family SATA AHCI/RAID Controller
• Intel(R) 7 Series/C216 Series Chipset Family SATA AHCI/RAID Controller
• Intel(R) C600 Series Chipset SATA AHCI Controller

Create Install Media Yosemite Windows 10

Version 12.9 https://downloadcenter.intel.com/download/23496/Intel-Rapid-Storage-Technology-Intel-RST-User-Interface-and-Driver?product=55005, requires an earlier version of Windows ADK.

• Intel(R) 8 Series/C220 Series Chipset Family SATA AHCI/RAID Controller
• Intel(R) 7 Series/C210 Series Chipset Family SATA AHCI/RAID Controller
• Intel(R) 6 Series/C200 Series Chipset Family SATA AHCI/RAID Controller
• Intel(R) 5 Series/3400 Series SATA AHCI/RAID Controller
• Intel(R) X79 Express Chipset

Version 11.7 https://downloadcenter.intel.com/download/22194/Intel-Rapid-Storage-Technology-Intel-RST-User-Interface-and-Driver?product=55005, requires an earlier version of Windows ADK (or AIK, for building the media on Windows XP)

RAID Controllers:

• Intel(R) Desktop/Workstation/Server Express Chipset SATA RAID Controller
• Intel(R) Mobile Express Chipset SATA RAID Controller
• Intel(R) ICH7MDH SATA RAID Controller
• Intel(R) ICH7R/DH SATA RAID Controller

AHCI Controllers:

• Intel(R) 7 Series/C216 Chipset Family SATA AHCI Controller
• Intel(R) 7 Series Chipset Family SATA AHCI Controller
• Intel(R) Desktop/Workstation/Server Express Chipset SATA AHCI Controller
• Intel(R) Mobile Express Chipset SATA AHCI Controller
• Intel(R) 5 Series/3400 Series SATA AHCI Controller
• Intel(R) 5 Series 4 Port SATA AHCI Controller
• Intel(R) 5 Series 6 Port SATA AHCI Controller
• Intel(R) ICH10D/DO SATA AHCI Controller
• Intel(R) ICH10R SATA AHCI Controller
• Intel(R) ICH9M-E/M SATA AHCI Controller
• Intel(R) ICH7M/MDH SATA AHCI Controller
• Intel(R) ICH7R/DH SATA AHCI Controller

After figuring out which version suites the hardware where the bootable media will be used, click 'f6flp-x64.zip' on the left side to download the driver files, regardless of whether your Windows is 32 or 64-bit.

Note on the option 'f6flp-x86.zip':
You will want to choose 'f6flp-x86.zip' instead in very rare cases - only for running the bootable media on a 32-bit UEFI firmware (not to be confused with 32-bit Windows!).

Unzip the downloaded zip archive, then click the plus sign in Acronis Bootable Media Builder and select the unpacked folder. Then click Next button.

3. Select a destination for the media:

• • CD/DVD
  • USB flash drive
  • ISO image file
  • WIM image file

• 4. Click Proceed.

If you select Linux-based media

1. Select a destination for the media:

• CD/DVD
• USB flash drive
• ISO image file

On this step you can also specify startup parameters for bootable media, for better compatibility with certain hardware. See Bootable media startup parameters for more information

2. Click Proceed to create the bootable media

You can also download a Bootable Media ISO image file from your account web page: see How to download Acronis bootable media ISO. This ISO image is Linux-based.

How to create Acronis Bootable Rescue Media on a Mac

Create Install Media Apple

We strongly recommend creating a bootable media immediately after the first backup; if the operating system crashes, the only way to restore it from Acronis True Image 2019 backup is restoring from the bootable media.

If your Mac includes the Apple T2 chip then you need to modify Secure Boot settings in order to boot from Acronis Bootable Rescue Media: see Acronis True Image 2019 on Mac: Changing startup options on Apple T2 chip

To create Acronis bootable rescue media:

1. Connect a removable drive to your Mac.

The drive must have 4 GB (or more) of free space. For example, you can use an external hard drive or a USB flash drive. Note that CD and DVD media are not supported.

2. Open Acronis True Image 2019.

3. In the File menu, click Create Rescue Media. The Acronis Media Builder window opens.

4. Select the drive that you want to make bootable.

5. Click Create Media. If the drive is not empty, Acronis True Image 2019 will ask you to confirm deleting all the data stored on the drive. To confirm, click Erase.

6. When the progress is complete, disconnect the media and keep it in a safe place. You can store your own data on the media, but make sure that you do not delete or modify the Acronis boot files.

We recommend that you create a new rescue media every time you upgrade your Mac OS X to a newer version. Otherwise, your rescue media may not work properly.

More information

If you have Acronis Disk Director 12.5, you can create a multi-product Linux-based bootable media with Acronis True Image 2019 if they are installed on the same Windows machine. Use the media builder provided with Acronis Disk Director to create this media.

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Create Install Media Apple Id

What you need to install Windows 10 on Mac

• MacBook introduced in 2015 or later
• MacBook Air introduced in 2012 or later
• MacBook Pro introduced in 2012 or later
• Mac mini introduced in 2012 or later
  

• iMac introduced in 2012 or later¹
• iMac Pro (all models)
• Mac Pro introduced in 2013 or later
  

Create Apple Install Media On Usb

The latest macOS updates, which can include updates to Boot Camp Assistant. You will use Boot Camp Assistant to install Windows 10.

64GB or more free storage space on your Mac startup disk:

• Your Mac can have as little as 64GB of free storage space, but at least 128GB of free storage space provides the best experience. Automatic Windows updates require that much space or more.
• If you have an iMac Pro or Mac Pro with 128GB of memory (RAM) or more, your startup disk needs at least as much free storage space as your Mac has memory.²

An external USB flash drive with a storage capacity of 16GB or more, unless you're using a Mac that doesn't need a flash drive to install Windows.

A 64-bit version of Windows 10 Home or Windows 10 Pro on a disk image (ISO) or other installation media. If installing Windows on your Mac for the first time, this must be a full version of Windows, not an upgrade.

• If your copy of Windows came on a USB flash drive, or you have a Windows product key and no installation disc, download a Windows 10 disk image from Microsoft.
• If your copy of Windows came on a DVD, you might need to create a disk image of that DVD.
  

How to install Windows 10 on Mac

To install Windows, use Boot Camp Assistant, which is included with your Mac.

1. Check your Secure Boot setting

Learn how to check your Secure Boot setting. The default Secure Boot setting is Full Security. If you changed it to No Security, change it back to Full Security before installing Windows. After installing Windows, you can use any Secure Boot setting without affecting your ability to start up from Windows.

2. Use Boot Camp Assistant to create a Windows partition

Open Boot Camp Assistant, which is in the Utilities folder of your Applications folder. Follow the onscreen instructions.

• If you're asked to insert a USB drive, plug your USB flash drive into your Mac. Boot Camp Assistant will use it to create a bootable USB drive for Windows installation.
• When Boot Camp Assistant asks you to set the size of the Windows partition, remember the minimum storage-space requirements in the previous section. Set a partition size that meets your needs, because you can't change its size later.

3. Format the Windows (BOOTCAMP) partition

When Boot Camp Assistant finishes, your Mac restarts to the Windows installer. If the installer asks where to install Windows, select the BOOTCAMP partition and click Format. In most cases, the installer selects and formats the BOOTCAMP partition automatically.

4. Install Windows

Unplug any external devices that aren't necessary during installation. Then click Next and follow the onscreen instructions to begin installing Windows.

5. Use the Boot Camp installer in Windows

After Windows installation completes, your Mac starts up in Windows and opens a ”Welcome to the Boot Camp installer” window. Follow the onscreen instructions to install Boot Camp and Windows support software (drivers). You will be asked to restart when done.

• If the Boot Camp installer never opens, open the Boot Camp installer manually and use it to complete Boot Camp installation.
• If you have an external display connected to a Thunderbolt 3 port on your Mac, the display will be blank (black, gray, or blue) for up to 2 minutes during installation.

How to switch between Windows and macOS

Restart, then press and hold the Option (or Alt) ⌥ key during startup to switch between Windows and macOS.

Apple Kb Create Install Media

Learn more

If you have one of these Intel-based Mac models using OS X El Capitan or later, you don't need a USB flash drive to install Windows:

• MacBook introduced in 2015 or later
• MacBook Air introduced in 2017 or later³
• MacBook Pro introduced in 2015 or later³

• iMac introduced in 2015 or later
• iMac Pro (all models)
• Mac Pro introduced in late 2013 or later
  

To remove Windows from your Mac, use Boot Camp Assistant, not any other utility.

For more information about using Windows on your Mac, open Boot Camp Assistant and click the Open Boot Camp Help button.

1. If you're using an iMac (Retina 5K, 27-inch, Late 2014) or iMac (27-inch, Late 2013) or iMac (27-inch, Late 2012) with a 3TB hard drive and macOS Mojave or later, learn about an alert you might see during installation.

2. For example, if your Mac has 128GB of memory, its startup disk must have at least 128GB of storage space available for Windows. To see how much memory your Mac has, choose Apple menu  > About This Mac. To see how much storage space is available, click the Storage tab in the same window.

3. These Mac models were offered with 128GB hard drives as an option. Apple recommends 256GB or larger hard drives so that you can create a Boot Camp partition of at least 128GB.

Once Terminal says 'Install media now available,' it is safe to right-click the removable drive on the desktop renamed 'Install macOS Catalina' and select the 'Eject' command. It is now safe to.

2019 is one of the great years for computer users and smartphones user. Because the world of technology is now in progress, as we know that in 2019 Apple Inc announced in world developers conference, macOS Catalina. Therefore, besides macOS Catalina announced iOS 13 with its significant new features. And with the announcing of macOS Catalina Microsoft also announced its new updates for the public, Windows 10 new features, with the same equality of macOS Catalina or macOS Mojave Dark Look and Light Look. And for Samsung smartphones, they announced the Android P version. However, we got the idea to install macOS Catalina 10.15 on VirtualBox and VMware. And here I will show you How to Create a macOS Catalina USB Drive installer. The way of creating a macOS Catalina USB installer is easy the same as macOS Mojave.

Create macOS Catalina USB Installer

However, the macOS Catalina version for the operating system is still not released for the public. But they can upgrade there macOS Mojave version directly through the internet into macOS Catalina 10.15. In July 2019 they will release the full version for Macintosh users. By the way, while installing any kind of operating system on a computer you need a Bootable USB Drive, and here I will show you the easiest way just follow the steps and read the article.

As you know there are different kinds of creating macOS Catalina 10.15 USB Drive. But one of the easiest ways to create Bootable USB using Terminal on macOS, whether you can use Disk Utility. I recommend you to choose Disk Utility because the procedure is a bit easy. And using Terminal is somehow complicated.

Create macOS Catalina USB Installer – System requirements of macOS Catalina 10.15

Before checking macOS Catalina on your system, there are some good points to know about your Mac computer version. However, macOS Catalina is heavy and for its installation, you need a nice computer, with high graphics, Processor, and RAM. Below I will declare some Mac computers that you can install macOS Catalina 10.15 on it.

• MacBook: 2015 or newer
• MacBook: Air, MacBook Pro 2012 or newer
• Mac Mini: Late 2012 or newer
• iMac: 2012 or newer
• iMac Pro: All models can support macOS Catalina 10.15
• Mac Pro: 2013 or newer

The great changes that come on macOS Catalina 10.15 Beta are:

• Catalyst
• Gatekeeper
• Voice Control
• Sidebar
• Changes in Application
• iTunes
• Find My Mac
• Reminders
• Removed Components

macOS Catalina creating USB Drive required files:

• At least 16 GB USB drive or more than 16 GB
• macOS Catalina 10.15 image file

By the way, if you don’t know the ways of installing macOS Catalina on VirtualBox and VMware Player. However, You can also check the below links and download macOS Catalina 10.15 Virtual machine images.

Download macOS Catalina 10.15 Beta 1

• Step #1. Enter to Apple Developer, and go ahead for download macOS Catalina or if you are not a member of Apple developer. Then go ahead and create an account to download macOS Catalina 10.15 Beta 1.
• Step #2. After signing in Apple Developer, go ahead and under featured click on download link.
• Step #3. After that, download is finished get start

In this case, you have gone through Apple Developer to download the latest update of macOS Catalina. Therefore, from Apple Developer you can use upgrading from macOS Mojave to macOS Catalina 10.15. Remember one thing upgrading can be risky for you so, I suggest to have a backup of your important files. However, in the next step you must have a clean installation of macOS Catalina on your computer. For that, you need a Bootable created USB. And insert the USB drive to your computer, then install macOS Catalina and enjoy using the new and fresh operating system.

How to create macOS Catalina USB Installer

• Step #1. Insert the USB drive to your computer.
• Step #2. I mentioned above also that the process of creating a macOS Catalina USB drive with Disk Utility is easy. Therefore, go to the search bar and type there “Disk Utility”. Erase USB drive with “Mac OS Extended (Journaled)” then complete the process of Disk Utility for macOS Catalina USB Drive.

Format the USB Drive

• After the USB Drive, formatted click Done

Click Done

• Now navigate to search spotlight and type “Terminal” then hit enter.

• When the terminal opened copy the below command and paste into the terminal then press enter. The process of creating will take some minute, wait until it should complete 100%. When it completed close the terminal window.

Copy the command /visual-studio-for-macos-no-publish-option/.

Once the Bootable USB drive is created, open the clover configurator. With the clover configurator, you need to mount the EFI partition. When the clover configurator opened on the left-handed click on “Mount EFI”, then Mount the EFI on install macOS 10.15 Beta. Click on “Mount Partition” then type the password and click OK.

Mount Partition

Bottom Line

By the way, that’s all about How to create a macOS Catalina USB Installer. And the process of creating macOS Catalina Beta USB Installer is easy, and I also explained that step by step. Therefore, if you faced any kind of problem feel free and comment below. Give us feedback and subscribe to our Blog.

Apple hasn’t shipped operating systems on physical media in a full decade, but there are still good reasons to want a reliable old USB stick for macOS Catalina. Luckily, it's not hard to make one—either with a handy graphical user interface or some light Terminal use. Here's what you need to get started:

• A Mac that you have administrator access to. We've created a USB stick from both Mojave and Catalina, but your experience with other versions may vary.
• A 16GB or larger USB flash drive or a 16GB or larger partition on some other kind of external drive. A USB 3.0 drive will make things significantly faster, but an older USB 2.0 drive will work in a pinch; 8GB drives worked for Mojave and older versions of macOS, but the Catalina installer is just a little too large to fit.
• The macOS 10.15 Catalina installer from the Mac App Store (in High Sierra or older macOS versions) or the Software Update preference pane in Mojave. The installer will delete itself when you install the operating system, but it can be re-downloaded if necessary.
• If you want a GUI, take a look at Ben Slaney's Install Disk Creator from MacDaddy. There are other apps out there that do this, but this one is quick and simple.

If you want to use this USB installer with newer Macs as they are released, you'll want to periodically re-download new Catalina installers and make new install drives. Apple rolls support for newer hardware into new macOS point releases as they come out, so this will help keep your install drive as universal and versatile as possible.

How To Create Install Media For Mac Catalina 2017

There's also one new consideration for newer Macs with Apple's T2 controller chip—as of this writing, that list includes the iMac Pro, the 2018 Mac Mini, the 2018 MacBook Air, and 2018 and 2019 MacBook Pros, though Apple keeps an updated list here. Among this chip's many security features is one that disallows booting from external drives by default. To re-enable this feature, hold down Command-R while your Mac reboots to go into Recovery Mode and use the Startup Security Utility to 'allow booting from external media.' If you're trying to install an older version of macOS, you may also need to go from Full Security to Medium Security to enable booting, but if you're just trying to install the current version of macOS, the Full Security option should be just fine. And if you're just doing an upgrade install rather than a clean install, you can run the Catalina installer from the USB drive from within your current installation of macOS, no advanced tweaking required.

The easy way

How To Create Install Media For Mac Catalina Free

Once you've obtained all of the necessary materials, connect the USB drive to your Mac and launch the Install Disk Creator. This app is basically just a GUI wrapper for the terminal command, so it should be possible to make install disks for versions of macOS going all the way back to Lion. In any case, it will work just fine for our purposes.

Install Disk Creator will automatically detect macOS installers on your drive and suggest one for you, displaying its icon along with its path. You can navigate to a different installer if you want, and you can also pick from all the storage devices and volumes currently connected to your Mac through the drop-down menu at the top of the window. Once you're ready to go, click 'Create Installer' and wait. A progress bar across the bottom of the app will tell you how far you have to go, and a pop-up notification will let you know when the process is done. This should only take a few minutes on a USB 3.0 flash drive in a modern Mac, though using USB 2.0 will slow things down.

The only slightly less-easy way

How To Create Install Media For Mac Catalina 2016

The Install Disk Creator is just a wrapper for the terminal command to create macOS install disks, so if you’re comfortable formatting your USB drive yourself and opening a Terminal window, it’s almost as easy to do it this way. Assuming that you have the macOS Catalina installer in your Applications folder and you have a Mac OS Extended (Journaled)-formatted USB drive (which is to say, HFS+ and notAPFS) named 'Untitled' mounted on the system, you can create a Catalina install drive using the following command.

How To Clean Install Mac Os Catalina

sudo /Applications/Install macOS Catalina.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled

The command will erase the disk and copy the install files over. Give it some time, and your volume will soon be loaded up with not just the macOS installer but also an external recovery partition that may come in handy if your hard drive dies and you're away from an Internet connection. If you would like to create an install drive for a macOS version other than Catalina, just tweak the paths above to refer to Mojave or High Sierra instead.

Create Install Media Mac

Whichever method you use, you should be able to boot from your new USB drive either by changing the default Startup Disk in System Preferences or by holding down the Option key at boot and selecting the drive. Once booted, you'll be able to install or upgrade Catalina as you normally would. You can also use Safari, Disk Utility, or Time Machine from the recovery partition to restore backups or troubleshoot.