Download the the BeamPaint Client Mod and install it in your mods folder. You can find your mods folder by starting BeamNG.Drive, clicking on the Repository button on the main menu, going to the Mod Manager tab and clicking Open Mod Folder. The client mod lets you preview skins in singleplayer, making it extra easy to create liveries for BeamPaint.

After installing the BeamPaint Client Mod, start BeamNG.Drive and enable the mod. You can do this by clicking the Repository button on the main menu, going to the Mod Manager tab, clicking on the BeamPaint Client Mod and hitting Activate.

With the client mod fully installed and activated, all you have to do is load up your favourite map, spawn in a vehicle and going into the vehicle configurator! You will now see a BeamPaint pop-up, which has a Reload Livery button. This box also shows you exactly where to put your skin file and what to name it. Simply follow the instructions in the pop-up and you are ready to create your very own liveries. Have fun creating!