![]() ![]() Then, reboot your Mac and restore your backup data. Be sure to back up all your personal data before downgrading, and be sure to save it on the secondary volume, too. #Downgrade to macos catalina mac os#You need a secondary volume formatted as Mac OS Extended and at least 14 GB of free space on your computer. If you can’t find such software, you can try Other World Computing’s storage options.ĭowngrading is easy to perform, but it requires a bootable installer. Alternatively, you can use cloning software to create a bootable copy of your startup drive. ![]() Make sure that you back up your data on this drive first, as downgrading will erase your startup disk. #Downgrade to macos catalina install#How Do I Install an Older Version of macOS?īefore you can downgrade to macOS Sierra, you’ll need a USB flash drive with 8GB of storage space and a USB 3.0 port.How Do I Uninstall Catalina Update on Mac?.Can I Downgrade macOS Catalina to Mojave?.Can I Downgrade My Mac From Catalina to Sierra?.If you’re unsure about this, you can backup your data using a cloud storage service such as Dropbox or iCloud. While it’s possible to use the built-in Time Machine feature, it’s important to back up your data before attempting to downgrade your Mac OS. It’s important to make a backup of your files and preferences before attempting the downgrade. Once you’ve backed up your data, you can safely downgrade to Mojave or an earlier version. This is an excellent way to upgrade your Mac OS version without having to purchase a new one. If you can’t boot from your USB stick, you can use a Thunderbolt to HDMI cable. ![]() Then, connect the USB flash drive to your Mac via a Thunderbolt port. To do this, first make sure you have an accessible USB flash drive and a USB 3.0 port. To downgrade your Mac OS version, first make sure your Mac is powered off and that you’ve backed up your data. These applications make it easier to move your data from one macOS version to the next. Third-party storage options are available from Other World Computing. Make sure the software you use supports the APFS file system. You can use Time Machine to back up your data or clone the startup drive with cloning software. Before you downgrade your macOS, you should make a backup of your data. ![]()
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