how to update to catalina10.15 after recovering from being stuck on a catalina10.15.7 update and reinstalling mountain lion

Follow up - Catalina installer requires macOS 10.9 or higher for upgrade.

You will have to install macOS Yosemite 10.9 before you can jump up to Catalina 10.15 again.

📚 - Learn how to get other old versions of macOS:

https://support.apple.com/en-us/HT211683

✅ - Download the macOS Catalina upgrade installer here:

https://itunes.apple.com/us/app/macos-catalina/id1466841314?ls=1&mt=12

(Don’t use FireFox for this link)

You're welcome. 🙂