Restoring Preboot volume from ok working Backup drive. 10.15.7

Hi guys, I’ve had a working 10.15.7 Catalina install for a couple years on a 3.7Ghz Core i9 10900k, (and I still want to stay in Catalina, I don’t want to update OS yet), done with OpenCore 0.6.9 (which I haven’t updated it yet either as everything was working)

Yesterday when I Shutted down, it seems like somehow a system update started, even if I have updates OFF. Anyway the apple and the progress bar appeared, was taking way too long so I realised it might be updating, and I decided to...

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Author: basuruza