C&C Zero Hour Map Packs Thread

Hi guys I'm new here and not sure where to post this.

I have the C&C 17 game collection on Origin for Windows 7 and have downloaded a few maps, but can't get them to work.
I have extracted them into Documents/C&C Generals Zero Hour/Maps and created a folder for each one to go in.
However, upon opening the unofficial skirmish maps, they aren't there. I've tried other compatibility modes, but they don't work.

Does anyone have any advice on what to do?

Many thanks