I take you step by step through the installation and setup of Unreal Script with Visual studio 2010. This uses the July 2012 beta version of UDK.
Downloads:
UDK: http://www.unrealengine.com/en/udk/do...
Visual Studio 2010: http://www.microsoft.com/visualstudio...
nfringe: http://wiki.pixelminegames.com/index....