Download and install the tibia client if you havent already.
Download and place the automaps by clicking on your windows key (bottom left) and typing %appdata%, if you're not in roaming go up a level and go to roaming.
Place all in the Tibia Automap folder and overwrite anything in there.
Now you can successfully login on the tibia client and play clicking on Apply.
If you do not have an account to login with, you need to register an account HERE.