I just did a backup of my computer so that I can re-install Mac Big Sur 11.6.8. Two questions:
#1. How do I know if the back-up is done? #2. Where and how do go to re-install Big Sur 11.6.8?
On my MacBook Pro 15 inch?
MacBook Pro 15″, macOS 11.6
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Q - " #1. How do I know if the back-up is done?
A - Back up your Mac with Time Machine - Apple Support (CA)
First image is In Progress
Second image Done
Q - " #2. Where and how do go to re-install Big Sur 11.6.8? "
A - Reinstall as in Install Big Sur On Top of the existing installation ?
A - Re-Boot in Recovery Mode, two keyboard combo, Command r and choose Reinstall macOS.