SYSTEM REQUIREMENTS + ACTIVATION INSTRUCTIONS: 200510PEGI 18GermanXCOM: Enemy Unknown892012-10-122K GamesFiraxis Games"Please remember that we are NOT responsible for any problems that may arise from purchasing and using Steam Gifts. You are doing it at your own risk. "Please note, that due to recent Valve Steam Gift policy update Steam Gifts for games that are covered by VAC ban program can no longer be added to Inventory. Make sure that you are logged in to the proper account before entering the link as Steam Gifts can be only added to your library or rejected. How do I use a Steam gift given to me? If you do not already have Steam, download and install Steam here. Once you have Steam installed, you will be prompted to create an account or login to an existing Steam account. If you do not have an account, please create one. You will receive an e-mail containing a link that will open Steam allowing you to redeem your gift. After clicking the link, you will receive a notification at the top right corner in the Steam client informing that you have a new gift.baseRegion FreeRegion freeWindows
OS:Windows Vista 
Processor:2 GHz Dual Core 
Memory:2 GB RAM 
Graphics:NVIDIA GeForce 8600 GT / ATI Radeon HD 2600 XT or greater 
DirectX®:9.0 
Hard Drive:20 GB HD space 
Sound:DirectX Compatible 
Other Requirements:Broadband Internet connection 
Additional:Initial installation requires one-time internet connection for Steam authentication; software installations required (included with the game) include Steam Client, Visual C++ 2008 Redistributable, DirectX and Microsoft .NET 4