How do you get pixel shader 4.0

if you want pixel shader 4.0 u would have to buy pixel shader 4.0 video cards. if u dont know what pixel shader u have then go here: http://www.systemrequirementslab.com/cyri/intro.aspx

^^^ just select any game then it will scan your system than u will see your hardware info. scroll all the way down to video card then check your shader info.