Following on from Bethesda making the original Quake game available to download during its online QuakeCon event. The second game in the Quake franchises now available to download for free and Quake ...
Step 1: Buy and install Quake from Steam or GOG. Step 2: Choose and download a Quake engine source port. Step 3: Install your source port. Extract the source port zip file into your Quake folder.