ATI drivers for Windows 7

I've runned Windows 7 with ATI Radeon 4800 Series.But none drivers is not compatibles

with Windows 7 OS.I can't play game and watch HD movies.
So i have the question.Where i can download the ATI drivers for Windows 7?

Try Graphics Drivers here:
http://support.amd.com/us/gpudownload/Pages/index.aspx
Note to install Activex first.

Select windows 7(32 or 64 bit edition), product family and the product and then select GO.
It will go to the download page.
Download and install your ATI driver.Enjoy yourself.