Halo 2 for Windows Vista

Shadowrun and Halo 2 Mark the Launch of Games for Windows - LIVE
06/07/2007
For the first time ever, Microsoft Games Studios introduces Games for Windows LIVE enabling PC gamers to play with or against the Xbox LIVE community

“Shadowrun” and “Halo 2” Mark the Launch of Games for Windows - LIVE
05/31/2007
This marks the first of many games to come which will support the Games for Windows – LIVE service

Microsoft Unites Xbox and PC Gamers With Debut of Games for Windows — LIVE
03/14/2007
Xbox LIVE extends to Windows Vista to create single online gaming service starting with “Halo 2” on May 8

Xbox 360 Gears Up for Its Second Holiday Season and Beyond
02/07/2007

Windows Vista Ushers in New Era of Gameplay
01/08/2007
Microsoft unveils powerful Games for Windows lineup and more at 2007 CES

Microsoft Showcases PC and 360 Line-up at Leipzig
08/24/2006
Playable games, demonstrations, and exclusive announcements for Xbox 360 and Games for Windows take over the Games Convention

Sumthing Else Music Works And The Global Gaming League Launch Halo 2 Volume Two Soundtrack Mash Mixer Contest
04/21/2006
Register Now To Remix Halo 2 Volume 2 Music Tracks And Win

Halo 2 Coming to PC
02/10/2006
Game will require Microsoft's new operating system to run