Installed ram 8gb usable only 3.41gb...?

[swathijoshi]

i brought new pc with 8gb ram when i check my system properties shows 8gb installed [ 3.41gb usable] what is this?

 

[ASHISH65]

You have installed windows of 32bit as 32bit only uses 3.5gb so install windows 7 64bit and it will use your's full 8gb ram.

 

[swathijoshi]

Best answer selected by swathijoshi.