Installation of macOS Big Sur

I have a problem to install Big Sur because when I come to the option to install and asks about disc where can be installed appeared that Macintosh disc is encrypted and cannot install on it. I don't know how to switch disc. Please help me

I have e MacBook Air 13inch model 2017



MacBook Air 13″, macOS 10.15

Posted on Jan 6, 2021 2:37 AM

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Installation of macOS Big Sur

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