I have 6 GB on my p5b Asus and vista also detected 6 Gb too but online so call : can I run it detected my ram only 3 Gb

[Siewly]

So can I run an application need 4 Gb for a minimum requirement ?

 

[Ironsounds]

Hello... if you have 32 bit OS, then only 3.2gb is available for apps... try it see if it works.