Fight in the theatre of war that changed the world forever. Battle alongside your compatriots on some of the most inhospitable environments of the Eastern Front in Red Orchestra: Ostfront 41-45. Red Orchestra places you in the most realistic WWII first-person multi-player combat to date on the PC, allowing the player to fight through some of the most intense combat of the war.
For full details about this file, see the related Mod DB tutorial here
This file is downloaded through Steam as a part of the RO SDK. If you've got the SDK, you've got this guide.