Since no one has answered, what's giving you trouble?
I use the one from here:
This is for WIndows 32 or 64 so apologies if you know this already.:
Create a folder to extract all the files to, get the parent roms and other child roms as well as CHDs if necessary and place them in the corresponding folders. Then it should be rather straightforward as other emulators out there once you click the startup icon for mame. Just to go available roms on the left side and click the game you have. It should boot up unless it is broken.