In computing terms, the more RAM that is on your computer, the more jobs it can process at once. One of the very best ways to increase the performance of your computer, make it faster, run easier and overall just behave better is to add ram to the system.... 

I have cleaned up computers that were so completely gunked up with smoke I thought I would never get them clean. Maintaining your computer assumes that you have some level of competent virus scan and something that protects you from malware and ad-ware....