Two pieces of software allow you to use pretty much any controller for ExoGP:
Navigate to https://ds4-windows.com/ and download the tool
Unzip the downloaded package (DS4Windows)
Run the DS4Windows Application
a. It will ask to download .NET Desktop Runtime. Click download now. It will take you to a website where it will download.
Open the “windowsdesktop-runtime-8.0.4-win-x64” from the above download and install
Reopen the DS4Windows Application from the 3rd step above
You will be prompted with the window below which guides you through a couple steps.
Reboot your PC
Navigate to your PC’s Bluetooth settings and connect your PS4 controller
Add a Bluetooth
Hold down the Share button and PS Button at the same time for 3 seconds. The light bar should be flashing which means its searching for a connection.
Your PC should recognize it as a “Wireless Controller”. Click to connect it.
Open DS4Windows Application and hold down the PS Button to connect your controller!