slow computer why

[Delower]

My Computer is very slow. 500 gb hd.512 mb ram. i need my computer very fast. plz solution me.

 

[USAFRet]

My Computer is very slow. 500 gb hd.512 mb ram. i need my computer very fast. plz solution me.

Some more information needed here.
Full PC specs, and what are you trying to do...