so you got a shader error
You probably ended up on this page after starting up the game and getting an error. Don't worry, it is an easy fix.
Install directx end-user runtimes
If you have received the above error when booting Knight Club, you will need to install the following version of DirectX End-User Runtimes. This link takes you directly to Microsoft to download it.
Windows 7, 8.1 or Older
After installing the above file, you should be all set. Boot up the game and enjoy! If you continue to have issues, click the link below to join our community for assistance.