Personal Computer Security Guide for Windows 10 and 11

Critical Steps

Apply Software Updates

Enable automatic updates on your computer and web browsers to keep your system secure and up-to-date:

Prevent Unauthorized Access

There are simple ways to set up and protect your computer from viruses, malware, and other unauthorized access: 

  • Open Windows Security  (Start > Settings > Update & Security > Windows Security)
  • Enable Windows Defender and Application Firewall
  • Detailed Information

Important Steps

Use Strong Passwords and/or Pass phrases

Follow our guidance to create a strong password for you and your computer.

Lock your Computer Screen

You can lock your computer screen by pressing Windows Key + L or by pressing Ctrl+Alt+Delete and choosing Lock.

To set your computer to lock automatically when the screen saver pops up go to Control Panel > Appearance & Personalization > Change screen saver and then check the box for On resume, display logon screen.