Dota maps install

[La23mac]

Hey guys i have warcraft 3 and frozen throne and dota maps for them but when i try to play them they don't work.
I noticed that there is an icon left of the maps names and to my downloaded it's just a circle but to the other it has swords in the circle?

[Pjspliff]

mhm, how about a pic?
Make sure you have extracted them in the right folder