
USE ANTIVIRUS SOFTWARES
Viruses can slow down your PC’s speed and performance. I recommend Bitdefender antivirus software because it got lots of powerful features and easy to manage interface. There is much free antivirus software available like AVG Antivirus that you can download for free.

ALWAYS DEFRAG YOUR SYSTEM
Disk Defragmentation helps you in boosting the performance of your computer by reducing data access time and allows storage to be used more efficiently. To do so it locates the noncontiguous fragments of data into which a file may be divided as it is stored on a hard disk and then restores them into fewer fragments or into the whole file.
REGISTRY DEFRAGGER
Optimizing system's registry can cut off slowdowns in PC and help in smooth working. To improve PC's performance, you should optimize your system's registry.

ADVANCE VISTA OPTIMIZER
I recommend and use Advance Vista Optimizer by Systweak Inc. It can also be used with Windows XP users. Advance Vista Optimizer have a tools that can defrag your system, defrag the system registry, and it has many tools that you can use to perform such specific tasks like privacy cleaner that cleans the history of the web address that you are using. Deleting duplicate files is an ease with this powerful tool. Advance Vista Optimizer have lots of feature that helps improve your PC’s performance.
