Trying to update to Big Sur. Macbook Pro IS compatible but Update Now button not hot?
Trying to update to Big Sur. Macbook Pro IS compatible but Update Now button not hot?
MacBook Pro 13″, macOS 10.15
Question marked as
There's more than that link; another link with extra links, within it.
• How to get old versions of macOS - Apple Support
https://support.apple.com/en-us/HT211683
This shows and tells ^ of other options & ideas to further investigate.
One workaround to installing any of the older/newer macOS allows
the use of a Bootable Installer. This can/does require other hardware.
• How to create a bootable installer for macOS - Apple Support
https://support.apple.com/en-us/HT201372
Links within this article ^ can supply the appropriate macOS to do that.
[The wherewithal & gumption are up to you. Answers: come by doing.]