How do i download mac os catalina
How do i download Macos Catalina to my computer
iMac 21.5″, OS X 10.11
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How do i download Macos Catalina to my computer
iMac 21.5″, OS X 10.11
Back up your data, check your applications for compatibility, click here, and if your iMac model is listed in the Related Article above, then on the download link for Catalina.
Catalina and newer won't run 32-bit software; download and use Go64 as well as using the first link above.
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See: How to get old versions of macOS - Apple Support
Note that your iMac must be a late-2012 or later model to install Catalina.
How do i download mac os catalina