Don't copy the directory itself, copy the contents of the directory. Extract or copy the contents to your Quake directory.Say yes if asked to overwrite existing files in the destination directory.Unzip the files you downloaded from the Steam Guide and copy the contents of the music directory to the respective directories shown in the previous step.You should have an id1\music directory for Quake, for Mission Pack 1 a hypnotic\music direcory and for Mission Pack 2 a rogue\music directory.Right click on Quake, click Properties then Local Files and finally Browse Local Files.If you can't find it, you can use the Steam interface to do so: Find your Quake install directory, C:\Program File (x86)\Steam\steamapps\common\Quake or similar.Go to the Quake Soundtrack Solutions Guide on Steam.Steam doesn't provide the Soundtrack for the game but there is a way. Scourge of Armagon is seen as the better of the two. You can also install Mission Pack 1: Scourge of Armagon and Mission Pack 2: Dissolution of Eternity, if you like.We will use Quakespasm as the Quake Engine. Although it might work for other systems I don't have access to said systems. This guide assumes you're using Windows 10 and the Steam version of Quake. How to Install Quake and the Arcane Dimensions Mod Assumptions