How To Downgrade From Macos Big Sur Beta To Macos Catalina
Before You Begin: Understand The Whole Process: Downgrading involves Backup (optional but recommended) → Erasing macOS Big Sur → Installing macOS Catalina → Restoring from Time Machine backup (if you have a macOS Catalina backup)Two Methods: You can install macOS Catalina using the internet or a bootable macOS Catalina USB drive. For the first method, high-speed internet is recommended as it will download the full macOS (around 8+ GB). And for the second method also require the internet to download the OS....