Oracle v8.0 doesnt install...

i m trying to install oracle versoin 8.0 on XP but it doesnt install, i read in reviews that it aint compatible wid XP but by downloading a patch from oracle.metalink.com can help install the program and it should work fine as well. now on that site i need to register, i tried but it didnt let me regiester, could u plz tell me another way of solving my problem of installation and / or any website where i might b able to get the patch from.
its very urgent plz...
thanx,,,