Sometimes the game's cached configuration files become corrupted, leading to DX11 crashes on startup.

: This is the most effective first step. Right-click the game in your Steam Library > Properties > Installed Files > Verify integrity of game files . Steam will scan for and redownload the missing .txt file.

How to Fix the "localization dx11.txt missing" Error in Total War Games

The game relies on specific versions of DirectX and Visual C++ that may not be active on modern Windows 10/11 systems.