I can't upgrade to Mac OS Catalina on my Mac OS high sierra
I want macOS catalina
MacBook Air 13″, macOS 10.13
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I want macOS catalina
MacBook Air 13″, macOS 10.13
Does your Mac meet the compatibility requirements in the following? How to upgrade to macOS Catalina - Apple Support
Does your Mac meet the compatibility requirements in the following? How to upgrade to macOS Catalina - Apple Support
Then follow the instructions in How to upgrade to macOS Catalina - Apple Support
yes
I can't upgrade to Mac OS Catalina on my Mac OS high sierra