Add more details on building with VS 2010 Express.

diff --git a/docs/development/build-instructions-windows.md b/docs/development/build-instructions-windows.md
index 3939a9f..80fde22 100644 (file)
--- a/docs/development/build-instructions-windows.md
+++ b/docs/development/build-instructions-windows.md
@@ -3,11 +3,19 @@
 ## Prerequisites
 
 * Windows 7 or later
-* Visual Studio 2010 Express or higher
+* Visual Studio 2010 Express or Profissional
+  * Make sure "X64 Compilers and Tools" are installed if you use the
+    Profissional edition
 * [Python 2.7](http://www.python.org/download/releases/2.7/)
 * [node.js](http://nodejs.org/)
 * [git](http://git-scm.com)
 
+If you are using Visual Studio 2010 __Express__ then you also need following
+softwares:
+
+* [WDK](http://www.microsoft.com/en-us/download/details.aspx?id=11800)
+* [Windows 7 SDK](http://www.microsoft.com/en-us/download/details.aspx?id=8279)
+
 The instructions bellow are executed under [cygwin](http://www.cygwin.com),
 but it's not a requirement, you can also build atom-shell under Windows's
 console or other terminals.