can I switch from Catalina to Mojave
can I switch from Catalina to Mojave
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Before doing this, you must backup your data.
One thing you can do, as long as your Mac is older than the release of Catalina, is make a separate partition with Disk Utility to install the older operating system. command-option-shift-R lets you install the first OS that came with the computer on bootup.
Do you have a Time Machine backup to Restore to/from?
https://support.apple.com/guide/mac-help/revert-to-a-previous-macos-version-mh15216/mac
If not…
Did your Mac (original model) ship with Catalina?
If yes, then no.
Otherwise, see the the other posts.
can I switch from Catalina to Mojave