All it is though are the calls that Xinput devices such as the Xbox controllers. If you are worried just rename xinput1_3.dll. Make sure it is closed though because if you don't The Witcher 3 will see the controller as an Xinput/Xbox device instead of a Directinput device like the Dualshock. You could us DS4Windows to install the drivers and then close it. Of course you have to already have your Dualshock drivers installed on your computer first. So if you have your Dualshock plugged in it sees it as a Dualshock like it should. By deleted the xinput1_3.dll it forces the game to see what other controllers are connected besides an Xbox controller. All the other button mappers work on Xinput and they will make The Witcher 3 think that the Dualshock is a Xbox controller. Don't use any additional software though, or else it won't work. To get the buttons to show in game simply delete and/or rename your xinput1_3.dll in your 圆4 folder then plug your playstation controller. I'm actually surprised that CD Projekt hasn't posted this already honestly. I guess judging by my search no one has figured this out and tons of people are asking for a mod. I wonder if this has been the case since launch but no one thought to delete the xinput1_3.dll to force The Witcher 3 to see other controllers besides Xbox. The Witcher 3 does have full support of the Dualshock 4 built in including button icons. First CD Projekt RED didn't break their promise.

So I did a search and didn't see a thread showing how to do this so I made this one. Play The Witcher 3 with Playstation Buttons. Delete/Rename xinput1_3.dll in 圆4 folder. Scrolling all the way to the right and pressing Controller/Driver Setup then pressing the Install the DS4 Driver button.) but make sure to close it after installing the drivers because if you don't the game will think you have a Xbox controller connected. Install the drivers using DS4Windows if not installed automatically by your OS (by going to settings. The dualshock/Playstation button icons are in the game.

Ps dualshock 3 pc