Restart DLauncher.exe4. Enter 1 to start the game, and log in to a Steam account (just register any one) 5. Decompress 2. The program will automatically start Steam, and the buy button will be displayed in Steam instead of the run button. Copy all files to the game directory 3. Run DLauncher.exe)6. Wait for the patch to complete (you will be prompted to restart DLauncher, don't run the game from Steam ... the game will run automatically 1.