Problem installing
What the issues it’s cannot installing
What the issues it’s cannot installing
Judging from supplied Photos - it appear one is attempting to Downgrade from Big Sur to Sierra ? Is that correct.
If so Restart in Recovery Mode Command + r . Attached the Time Machine Backup drive and choose the Restore option
Link for more details https://support.apple.com/en-ca/guide/mac-help/mh15216/10.15/mac/10.15
Judging from supplied Photos - it appear one is attempting to Downgrade from Big Sur to Sierra ? Is that correct.
If so Restart in Recovery Mode Command + r . Attached the Time Machine Backup drive and choose the Restore option
Link for more details https://support.apple.com/en-ca/guide/mac-help/mh15216/10.15/mac/10.15
Problem installing