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 ...
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Here's How Often You Should Defrag Your Computer

Defragging a hard drive was once so common it was almost a rite of passage for computer users. Many different disk utility and maintenance programs offered defragmentation routines as part of their ...