I would like to use it to play Rocket Arena since my graphics card does not have dx11 (only 10).
I understand that yes, but I have never found an official page of the emulator, only youtubers who leave the link of the program in their videos. Directx 11 emulators really work? (Dxcpl) Tech Support.You should first use this application to extract the files to a directory on your computer from which you will run the file DXSETUP.exe.
It will update the version of of DirectX that your system is running. Note: This file contains a collection of DirectX libraries including 9.0c, 10 and DirectX 11.