Apple Support/How-To/Troubleshooting Article Updates

- How to create a bootable installer for macOS.
- Find out which macOS version your Mac is using.
- If an error occurred while updating or installing macOS.
- Let another person use your Apple Vision Pro with Guest User. s
- Install macOS on an external storage device and use it as a startup disk.
- If your external display is dark or low resolution.
- If you forgot your Mac login password.
- If you can't back up or restore your Mac using Time Machine.
- How to Reset the SMC of your Mac. (more at linked page).