Where to place Opengl files??

OK so i have winxp and a tnt card. previous to my upgrade in mother boards, i had dl’d the file name “Opengl95” off the opengl website. i then placed the files like opengl32.dll, glau.dll, glaux.dll etc., and things worked fine. well i formatted my drive and well i have the files, i just dont know where to put them. can some one help me out here.

and yes i hav all detonator packs for xp fron nvidia