windows xp, 2000, vista nda 7
wi n d o ws x p,   200 0,   vi s ta  n da 7
winws xp, 20,vistana
wnidwo sxp, 200,0 isvta nd 7a
windows xp, 2000, vista 7 nda
windows xp, 2000, 7
windows xp, 2000, vista nda 7
windows xp, 2000, vista nda 7