2/26/2024 0 Comments Upgrade macos catalina to big surIn fact, as long as your computer is running a modern browser, you can work on practically any OS platform. One great example of this is Wondershare Mockitt, a cloud-hosted UI/UX design and prototyping application for macOS Big Sur and other macOS versions, as well as Windows. However, it also has to be compatible with the operating system you're using so it can be better integrated into the OS's capabilities. A great alternative would be to use cloud-based software that won't hog up your system resources and slow you down. If you decide to keep macOS Big Sur and download subsequent versions as they are released, you may want to think about upgrading your software. Go through the installation process until you successfully downgrade macOS Big Sur to macOS Catalina.Īt this point, you can restore your data from the backup you created. Here, choose the USB macOS Catalina installer you created. Restart the computer and hold down the Option key alone until you see the Startup Disk options. The process itself is quite simple and involves specific steps, as shown below:Ĭonnect your computer to your local Wi-Fi and insert the USB drive containing the macOS Catalina installer file. The obvious reason for this is that it will cause a conflict if you have two operating systems on the same unpartitioned drive, and neither one will work. Prior to downgrading from macOS Big Sur to macOS Catalina, you will need to remove the existing Big Sur installation from your hard drive. These were the preparatory steps now comes the part where you uninstall macOS Big Sur. Uninstall macOS Big Sur from your Local HDD or SSD ![]() This is now your macOS Catalina installer. Wait for the Terminal display to show 'Done', after which you can eject the USB drive. Volumes/MyUSBDrive Įnter your password (not the iCloud one, the admin one you use to log in to your Mac) and type Y and Enter after that. To create the installer, launch Terminal and run the following command:Ĭatalina.app/Contents/Resources/createinstallmedia -volume Now, format your USB drive using Disk Utility - select the drive, click Erase once, set the file system to APFS or macOS Extended, then click Erase again in the small window. If you didn't do this before Big Sur was officially released to the public, you'll need to get a third-party download from a trusted site. This can be done by downloading Catalina from the app store but aborting the installation when it automatically starts. 2. Create the USB Installer for macOS Catalina Go to Startup Security Utility and enable booting from external media. To do this, start your Mac while holding down the Command key and the R key together until you see the Apple logo, then release both keys. The first thing you need to do is to change your settings to allow your Mac to boot from an external USB source. Now, follow the steps shown below to downgrade macOS 11 Big Sur to macOS 10.15.x Catalina 1. Set your Mac's External Boot Permission Also, it is advisable to backup your data from the Big Sur installation so you can restore it after the downgrade. If you haven't backed your data up using Time Machine, then this is the only way to proceed to downgrade macOS 11 Big Sur. This is the only way to downgrade macOS Big Sur or any version because Apple doesn't offer that feature by default. ![]() Unless you tool a full backup of your computer via Time Machine before you upgraded to macOS Big Sur, you'll need to create a macOS Catalina USB installer. Steps to Downgrade macOS Big Sur to Catalina ![]()
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