Mac Desktop - 10 years old - want to erase all and reset to use it
Need help resetting my old Mac Desktop 10 years old so I can use it and upgrade
Need help resetting my old Mac Desktop 10 years old so I can use it and upgrade
See instructions in: What to do before you sell, give away, or trade in your Mac - Apple Support
Step 2 won't apply to older Macs.
Mac Desktop - 10 years old - want to erase all and reset to use it