1) DxDiag (Start -> Search for DxDiag -> hit the "save all information button" and save the .txt file)
2) Make sure you can see hidden folders and go to -> C:\Users\User\Ludeo\AppData\LocalLow\GameTestedDev\GameTested (Where user is your own user and the game tested folders related to the tested game).
* if you don't see the folder check in the root folder where the game is installed
3) Upload the Player.txt file