Hey I tried to get this map a while back but when I installed it, it never showed up in the mods section in the game and I tried to fix it but I eventually gave up. I need help to fix this and if anyone has the extracted folder of this map that would be awesome because I think I just need to put the...

This map looks really good and I really want to play it but when I downloaded it, the map didn't show up in the mods. Also, what is "T4M" ? and if the map did download, what is it called and how can I fix or launch it. Someone please help!