How to 'defrag' your computer and improve its speed when it's operating slower than usual

Most modern Windows operating systems will defrag your computer automatically, but you can do it manually if you have Windows ...
Windows Report

Step-by-Step: Wipe and Reformat a Hard Drive in Windows 7

Learn how to wipe a hard drive in Windows 7 safely using built-in tools, Command Prompt, or third-party software.