macOS-Startup-Options https://support.apple.com/en-us/102603
macOS-Restore https://support.apple.com/en-us/HT211683
older OS-Versionshttps://appleinsider.com/inside/macos/tips/how-to-revert-macos-to-the-previous-version
Target Disk Mode/Share Disk Mode https://support.apple.com/de-de/guide/mac-help/mchlb37e8ca7/mac
10.13 https://apps.apple.com/de/app/macos-high-sierra/id1246284741?mt=12
10.14 https://apps.apple.com/de/app/macos-mojave/id1398502828?mt=12
10.15
https://apps.apple.com/de/app/macos-catalina/id1466841314?mt=12
11.0 https://apps.apple.com/de/app/macos-big-sur/id1526878132?mt=12
12.0 https://apps.apple.com/de/app/macos-monterey/id1576738294?mt=12
13.0 https://apps.apple.com/de/app/macos-ventura/id1638787999?mt=12
14.0
https://apps.apple.com/de/app/macos-sonoma/id6450717509?mt=12