Check "Run this program in compatibility mode for" and select or Windows 7 . ⚠️ Common Troubleshooting
Note: If prompted for a password, it is usually the name of the website you downloaded it from (e.g., www.apunkagames.net ).
: If you get a "Missing d3dx9_31.dll" error, you need to update your DirectX End-User Runtimes .