Lost your Windows 7 product key? Use this quick guide to recover it from stickers, emails, tools, or Microsoft Support.

Windows 7 not booting? Learn how to fix startup issues using Safe Mode, Startup Repair, or command prompt tools.

I use my own individual Windows computers at home but also share a PC with my wife and my cat, Mr. Giggles (don't ask). To ease that process, I set up dedicated accounts for each person (and feline).

Windows 10 allows you to change your password or recover it at any time if you forget it.