The first official release for Strength In Arms. To install, run the executable and follow the prompts. Please note, to correctly install and run this game users will need Windows XP/Vista/7, and Microsoft .Net 4.0. XNA 4.0 Framework is included in the installer. Troubleshoot: You will require Microsoft .Net 4.0. to install. If you are having problems running the game install Microsoft .Net 4.0. and then reinstall the game.