Solved! How do i change my windows 7 laptop to windows xp

[badguitars]

how do i change my windows 7 laptop to windows xp t is a compaq cq50 that came with windows 7 or vista. i bought it used so i'm not sure

 

[scout_03]

came with vista sp 1 keep win 7 xp won have more suppourt from microsoft after 2014