Improved the manual install IIS page by providing clearer links to th…

…e IIS 7.x and IIS 6.x install guides

Tidied up the additional manual IIS install notes

master/sapphire/docs/en/installation/windows-manual-iis.md

@@ -1,34 +1,31 @@
 # Manual installation on Windows using IIS
 
-Install SilverStripe manually on Windows using IIS as the web server. If you are not confident in installing web server software manually on Windows,
-it is recommended you using the [Web Platform Installer](windows-pi) method instead, which will do this for you.
+Install SilverStripe manually on Windows using IIS as the web server.
 
-## IIS 7.x
+If you are not confident in installing web server software manually on Windows, it is recommended you use the
+[Web Platform Installer](windows-pi) method instead, which will do the installation for you.
 
-IIS 7.x ships with Windows Vista, Windows 7, Windows Server 2008 and Windows Server 2008 R2.
+## [Install using IIS 7.x](windows-manual-iis-7)
 
-A [full guide is available](windows-manual-iis-7.md) to assist installing SilverStripe on these versions of Windows.
+This applies to Windows Server 2008, Windows Server 2008 R2, Windows Vista, and Windows 7.
 
-## IIS 6
+## [Install using IIS 6.x](windows-manual-iis-6)
 
-IIS 6 ships with Windows Server 2003.
+*Note: It's recommended you upgrade to Windows Server 2008 R2 which uses IIS 7.5*.
 
-This [guide](windows-manual-iis-6) will assist installing SilverStripe on this older version of Windows.
+This applies to Windows Server 2003 and Windows Server 2003 R2.
 
-If it all possible, it is recommend you upgrade to at least Windows Server 2008 or Windows Vista so you can take advantage of IIS 7.x, which has features
-such as native URL rewriting support.
+## Additional notes
 
-## Installing on IIS 5.1 and 6.0
+Microsoft has no URL rewriting module for anything less than IIS 7.x. This will mean your URLs are like yoursite.com/index.php/about-us rather than yoursite.com/about-us.
+However, if you do want friendly URLs you must you must buy or use other URL rewriting software: 
 
-These are additional notes about installing SilverStripe on IIS 5.1 and IIS 6.
+ * [IIRF](http://iirf.codeplex.com/) (should work for most cases - see [IIS 6 guide](windows-manual-iis-6) for rewrite rules)
+ * [ISAPI_Rewrite](http://www.helicontech.com/download-isapi_rewrite3.htm) (The freeware, lite version should be fine for simple installations)
+ * If you have 64-bit Windows, you can try [this](http://www.micronovae.com/ModRewrite/ModRewrite.html)
 
-If using Windows Server 2003 with IIS 6, there is a [guide available](installation-manual-iis-6) which will assist you installing SilverStripe.
+Instructions are available for [installing PHP on IIS 6](http://learn.iis.net/page.aspx/248/configuring-fastcgi-extension-for-iis60/) by the IIS team.
 
-  * Microsoft has no URL rewriting module for anything less than IIS 7.x. This will mean your URLs are like yoursite.com/index.php/about-us rather than yoursite.com/about-us. However, if you do want friendly URLs you must you must buy or use other URL rewriting software: 
-    * [IIRF](http://iirf.codeplex.com/)
-    * [ISAPI_Rewrite](http://www.helicontech.com/download-isapi_rewrite3.htm) (The freeware, lite version should be fine for simple installations)
-    * If you have 64-bit windows, you can try [this](http://www.micronovae.com/ModRewrite/ModRewrite.html)
-  * Instructions for installing PHP IIS 5.1 and 6 may be different that for 7. See [http://learn.iis.net/page.aspx/248/configuring-fastcgi-extension-for-iis60/](http://learn.iis.net/page.aspx/248/configuring-fastcgi-extension-for-iis60/)
-  * On XP, you need to disable 'Check that file exists' (See [installation-on-windows-pi](installation-on-windows-pi))
+On Windows XP, you need to disable **Check that file exists**. See [installation-on-windows-pi](windows-pi) for more information.
 
 Matthew Poole has expanded on these instructions [with a tutorial](http://cubiksoundz.blogspot.com/2008/12/tech-note-installing-silverstripe-cms.html).