Gettysburg! Windows 2000/XP Compatibility Update This update allows Sid Meier's Gettysburg! to run on Windows 2000 and XP machines. This update is only needed for Gettysburg owners who have Windows 2000 or XP and are having problems getting the game to run OR if you play multiplayer games with other players who have installed this patch.

SMG 2000nXP Compatibility Update
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