Hi Geek, Yeah,I already confirmed that.The key code contains info about system 's language ,among other things,so it s not possible. Anyways,now i should try to find a " post -sp3 -update pack" , that comes in greek language,in order to slipstream in my greek xp pro.I own this legit windows xp pro but since it is in greek ,i can not integrate english update packs in it. So,if anyone could help me in this, find a link and post here , would really make a happy slipstreamer.