If you previously used other overhaul mods (like Ancient Empire or Radius), completely uninstall them and delete your old appdata scripts.

The Total War: Attila modification completely transforms the base game into a high-fidelity medieval simulator. Installing the Base Pack and the Campaign Alpha requires precise steps to avoid crashes and asset glitches. medieval kingdoms 1212 ad base pack campaign alpha install

Before downloading the mod files, verify your base game configuration to prevent immediate crashes upon launching. If you previously used other overhaul mods (like

Download the compressed .zip or .rar files for the Base Pack, Campaign Alpha, and Model Packs. and Model Packs. 18

18;write_to_target_document1a;_IrDsab3wO9mXwbkPpO2voQQ_20;56; 0;92;0;a3; 0;baf;0;1d4; Guide: Installing Medieval Kingdoms 1212 AD Campaign Alpha 0;655;0;8c3;