Q: How can I use the latest builds that are not supplied on Steam (v4# beta, etc.)? A: Copy license.dat from MyDocs\3D-CoatV4#\ to MyDocs\3D-CoatV4#\ - To get key directly run Regedit.exe and search for SteamKey field. Q: How can I upgrade my license of 3DC that I purchased from Steam? A: All upgrades are done directly through Pilgway, and can be done HERE. This is also true when buying from any reseller. Q: When will a Mac and/or Linux build be available on Steam? A: It depends