How to Speed up My Computer with 5 Simple Tips (Windows 7, XP, Vista or Windows 8)

Commonly, computer (No matter it is Windows 7, XP, Vista or Windows 8) may get slow and run sluggishly after a certain time of usage. Thus, it is necessary to optimize and speed up your computer regularly so that to keep the normal operation of your computer. This post will introduce 5 practical methods to speed up your computer easily and freely.