BOOST SPEED OF YOUR PC

To boost performance of your PC or to increase RAM virtually, 

Right click on My Computer Icon on Desktop 

>> Go to Properties 

>> Go to Advanced 

>> Go to Performance - Settings 

>> Go to Advanced 

>> Go to Virtual Memory - Change 

Keep the initial size same as recommended and maximum size double of it then restart your system. 

It will improve speed of windows and you can play some games which require higher RAM.

To Minimise all the application and running windows press the "Windows + M " key together