2019/01/30 - We explain what to do if you've forgotten your Mac password - or don't know the password for the Mac you are using (unless you log into your Mac with an Apple Watch, or using Touch ID if you have a MacBook Pro or 2018 MacBook Air) and On a related note, if your Mac is asking you for your iCloud login, or Apple ID, then read about what to do if you forget your Apple ID password..