: Right-click the game shortcut and select "Run as Administrator" before entering the code to ensure the registry saves the activation. Disable Antivirus
If those fail, you must resort to a – but only if you legally own the game. The cleanest no-CD for version 1.1.0.4 is named AS2Conscription.exe (4.2MB). Replace the original .exe in the install folder.
: 64MB video memory (nVidia GeForce2 / ATI Radeon 8500 or better). : 600 MB available space. Are you having trouble with a specific error message during the installation, or are you looking for a way to transfer your save files to a new computer? Alien Shooter 2 Conscription on Steam