Use a picture password to log into your computer

Windows 8 includes a new feature called Picture password, which allows you to 

authenticate with the computer using a series of gestures that include circles, 

straight lines, and taps. Enable this feature if you want a new way to access 

your computer or have a hard time with passwords.
  1. Open the Windows Charms.
  2. Click Settings and then More PC settings
  3. In the PC settings window click Users and then select Create a picture password
Bonus tip: A four digit pin password can also be created and used to access your computer.