Allies are defending a town near Arnhem against an Axis main assault force. To gain victory you must secure buildings but choose them wisely.
-Unzip all the files in "4p_OperationMarketGarden_v1b.zip" into "C:>Program Files>THQ>Company of Heroes>WW2>Data>Scenarios>mp>"
(if you don't already have a "mp" folder in your "...WW2>Data>Scenarios>" folder, make one!)
-Create a shortcut to "Company of Heroes.exe" if you don't have one.
-Right-click on the "Company of Heroes.exe" shortcut, click Properties and add " -dev" to the end of the Target.
"C:>Program Files>THQ>Company of Heroes>RelicCOH.exe"
"C:>Program Files>THQ>Company of Heroes>RelicCOH.exe" -dev
(make sure you have a space before the -dev and that it is not inside the quotation marks)