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#DOWNGRADE VENTURA TO BIG SUR HOW TO#
#DOWNGRADE VENTURA TO BIG SUR PRO#

But let me first explain why you need to do this. Now you need to erase macOS Big Sur for a clean installation of another system version. Select one of the options above and move to the next step on the way to downgrading macOS Big Sur. Save the installation file on an external hard drive. Here are the links where you can download macOS Catalina, High Sierra, or Mojave. Download in advance the version of macOS to which you want to downgrade from Big Sur.

#DOWNGRADE VENTURA TO BIG SUR HOW TO#

Learn on the Apple support page on how to reinstall from macOS Recovery. By default, Apple provides the possibility to reinstall the factory-preloaded system from macOS recovery. If you regularly back up your Mac, most likely, you can restore one of the previous backups and revert to macOS Catalina from Big Sur.

Download macOS Catalina or another system you want to use instead of Big Surīasically you have several options for installing another Mac operating system:

Click on Select Backup Disk… → choose the disk and click on Use Disk.ģ.

Go to System Preferences → Time Machine.

Transfer your data to external cloud storage, such as Dropbox, Google Drive, iCloud, or use the Time Machine and select an external disk for storing the backup copy: Also, one of the next steps will include erasing your HD on macOS Big Sur and recovering your data on another system. In case something goes wrong, you can always recover your important data. Generally, we recommend that you always back up Mac’s data before updating and installing any new system on your computer.

Disconnect all external devices from your Mac, except the hard drive you may use for making a backup.

Make sure that you have a stable internet connection.

If you use a MacBook, connect it to a power source.

First, prepare your computer for reverting to macOS Catalina. Steps to revert to macOS Catalina from Big Sur on a Mac 1.

#DOWNGRADE VENTURA TO BIG SUR PRO#

Use MacCleaner Pro to clean up all junk stuff on a hard drive and speed up your Mac.

In fact, a special software MacCleaner Pro can help you to recover valuable disk space, optimize disk usage, and fix a slow Mac performance.

Generally, each new system needs more available free space for which fresh hardware is required to work smoothly. You may want to go back to macOS Catalina or older versions of the system because, after the upgrade, your Mac started to run slowly.