How to fast my PC ?

My Pc became very slow, when I opened many windows and applications.How to increase or restore my Pc speed?

when an user after using his PC several hours by opening several windows and applications.The Pc speed becomes slow so it causes hanging of PC also leads to restart of system.
this condition is due to "Memory leakage".

The used applications or programmes  memory addresses are not freed though they are unloaded from the memory.
So these problem can be solved simply by a simple trick without using third Party tools like Ram Booster etc.,

follow these steps

Open a Notepad and type MYSTRING=(800000000) 

save it as memory.vbe on desktop


when ever we use many applications or windows double click on the memory.vbe file and the memory leakage will be controlled