Win 7 64 Bit

[Troll2k]

Visually I do not think you will see any improvement.The game might play smoother though.

You will gain between 500-750 megs of ram by going to 64 bit as your system stands now.

However going to 64 bit will allow you to use even more than 4 gig in the future if you want.Maybe even making a ram drive.

I as assuming your processor is 64 bit capable.

[Porsche]

I was running Windows 7 32 bit and I could not run the game without it crashing. I upgraded to the 64 bit and run the game now with no issues at all. You have to have an operating system that will utilize all of your ram. I would say yes if you have additional ram that can be used.