i shuted my windows 8 and instaled 7 but i deleted drivers what can i do.. cant play any games-..?*

[prgyxd]

i shuted my windows 8 and instaled 7 but i deleted drivers what can i do.. cant play any games-..?*
how to instal drivers i instaled many but nothing.......
so i hoped somebody can help me i got computer grade 1......

 

[rgd1101]

download it form the computer manufacturer website