HaloMods "Classic" Read-only Archive

i was on lunch, and i was in a hurry. so, any help?

OK, IT STILL ISNT UNDER THE CUSTOM MAPS IN MAP SELECT VIA HALO2. WHERE DO I GO NOW TO LAUNCH THESE MAPS? WHICH PROGRAM DO I USE? (sorry bout caps)

ok, i downloaded some maps. the rar had a data dir as well. i put maps and data dir in my halo2/maps dir. i went to custom maps and nothing. i did this wrong huh?what do i do?