there are alot of tweaks to speed up your computer and improve performance. either your tweak your graphic card or you go straight to your cpu. of course it will came will risk if you do not know what you are doing. this is a simple trick and it will not harm your pc. its good trick if you are using low end pc.
- start any heavy program
- ctrl+alt+ctrl this will bring your windows task manager
- locate your program and right click - set priorety - choose high
what this trick do is your choose program will run smoothly.