Erase Mojave iMac and reinstall os
What is proper procedure to erase APFS startup disk and reinstall macOS Mojave? Specifically what APFS volumes do delete or erase?
Thank you
Bob
What year model is your iMac?
Identify your iMac model - Apple Support
What macOS is it currently running?
Find out which macOS your Mac is using - Apple Support
Why do you want to erase and reinstall Mojave?
About macOS Recovery on Intel-based Mac computers - Apple Support
What to do before you sell, give away, or trade in your Mac - Apple Support