Run the installers in order, directing them to your Medieval II "mods" folder (e.g., SteamApps\common\Medieval II Total War\mods ). Launching the Mod:
You typically need three core installers: Part 1 of 2 , Part 2 of 2 , and the 3.2 Patch .
Rename one of the official expansion folders (like americas ) to americas_backup and rename your Third_Age_3 folder to americas . Launching the Americas campaign from Steam will then load Third Age. medieval-2-total-war-kingdoms-1.5-third-age-3.2...
Some newer Steam versions do not have a dedicated kingdoms.exe . You may need to copy medieval2.exe and rename the copy to kingdoms.exe in the same directory for the mod to recognize it.
It is highly recommended to apply a 4GB patch (or "Large Address Aware" tool) to the medieval2.exe and kingdoms.exe files to prevent crashes during large battles. Run the installers in order, directing them to
Ensure you have Medieval II: Total War and its Kingdoms expansion installed.
To run version 3.2, you must have the Kingdoms expansion installed and patched to version 1.5. Launching the Americas campaign from Steam will then
Right-click the game in Steam, select Properties , and in Launch Options , enter --features.mod=mods/Third_Age_3 . Optimization and Troubleshooting