Sid Meier s Railroads will work under Microsoft Windows 7 without any problems. It might crash once or twice at times, but that can be easily fixed by applying the latest patches from visiting the links in this posts
http://games.softpedia.com/get/Patch/Sid-Meiers-Railroads-Patch.shtml
You may want to go ahead with the 3GB enabler.
Type the following command in an elevated MS-DOS prompt
BCDEDIT.EXE /Set IncreaseUserVa 2900
For detailed instructions, you can check
http://smrsimple.com/2010/11/simple-guide-to-the-3gb-enabler/
Sid Meier's Railroads!http://games.softpedia.com/get/Patch/Sid-Meiers-Railroads-Patch.shtml
You may want to go ahead with the 3GB enabler.
Type the following command in an elevated MS-DOS prompt
BCDEDIT.EXE /Set IncreaseUserVa 2900
For detailed instructions, you can check
http://smrsimple.com/2010/11/simple-guide-to-the-3gb-enabler/
You can check out more about the game by clicking on the link below
