Changes
GUID 5.4.1
you can also open the install package with [http://www.instedit.com/ InstEd (free msi editor)] or Orca & inspect Tables > Property > ProductCode & ProductVersion
* 5.4.1 - 8E811365-CBFB-49AC-AB25-9197549B309E
* 5.4.0 - A58CEA35-2B5F-4720-B5BE-D0B6A1E645FB
* 5.3.6 - A253D1A0-E992-4275-A420-CD1E84437BDF