The listing, Tom Clancy's Ghost Recon Advanced Warfighter Steam Gift has ended.
This is a tradeable copy.
http://store.steampowered.com/app/13640/
System Requirements
Minimum:
Supported OS: Windows® 2000/XP
Processor: 2 GHz Pentium IV or equivalent (2.8 GHz recommended)
Memory: 1024 MB of RAM
Graphics: DirectX 9-compliant Shader 2.0 card with 128 MB of VRAM (256 MB recommended) (see supported list*)
Sound: DirectX 9-compliant sound card (PC audio solution containing Dolby Digital Live required for Dolby Digital audio)
DirectX: DirectX 9.0c
Hard Disk Space: 5 GB
Multiplayer: 64 Kbps upstream or faster broadband connection
*Supported video cards at time of retail release: NVIDIA GeForce 6/7 families, ATI Radeon 9600-9800/X families. Laptop versions of these chipsets may work but are not supported. These chipsets are currently the only ones that will run this game. For an up-to-date list of supported chipsets, video cards, and operating systems, please visit the FAQ for this game at: http://support.ubi.com.