question about Pixel Shader 2.0

[tech savvy]

can i DL and install Pixel Shader 2.0 to my PC if it dont have it? or does it have to come with it for it to have it?

 

[Shane]

No you cant download it,Your card has to be Compatible.

http://en.wikipedia.org/wiki/Pixel_shader

What Gpu do you have? they are backwards compatible.