initial draft for different versions of MongoDB for Windows

Author: Andrew Leung

source/tutorial/install-mongodb-on-windows.txt

@@ -14,7 +14,7 @@ basic method for installing and running the MongoDB server
 :guilabel:`Command Shell` and will also outline the process for
 setting up MongoDB as a :guilabel:`Windows Service`.
 
-MongoDB on Windows is similar to MongoDB in other environments: and
+MongoDB on Windows is similar to MongoDB in other environments and
 most components have similar operations with similar operational
 patterns.
 
@@ -27,6 +27,15 @@ Download MongoDB for Windows
 Download the latest production release of MongoDB from the `MongoDB
 downloads page <http://www.mongodb.org/downloads>`_.
 
+There are several versions of MongoDB for Windows. MongoDB for Windows
+2008 R2 is enhanced for Windows Server 2008 R2 and will run only on
+this platform. MongoDB for Windows 64-bit will work on any 64-bit
+version of the Windows platform, including Windows Server 2008 R2. The
+Windows 32-bit version will run on any Windows platform newer than
+Windows XP.
+
+.. TODO check if W2k8R2 x86 exists.
+
 .. note::
 
    Ensure you download the proper version of MongoDB for your
@@ -87,7 +96,7 @@ Shell`, issue the following commands:
    dependencies. You can run MongoDB from any folder you choose. You
    may install MongoDB in any directory (e.g. ``D:\test\mongodb``)
 
-MongoDB requires a data folder to store its files. The default
+MongoDB requires a :term:`data folder <dbpath>` to store its files. The default
 location for the MongoDB data directory is ``C:\data\db``. Create this
 folder using the :guilabel:`Command Shell` and issuing the following
 command sequence: