I dont know which driver i need to download and install in my pc :/

[Abdaga]

http://prntscr.com/nqbez this is a screen shot of my display card, but the driver isnt installed i can't play games and i don't have the CD, my brother told me on box of my graphic card is written XFX ATI A8.662W... i googled it without a result i just want to know what driver i am searching for Thanks a lot

 

[unreal9400]

Run GPU-Z
http://www.techpowerup.com/downloads/2181/TechPowerUp_GPU-Z_v0.6.6.html