|Operating System Properties|
When an MSI installs a large number of operating system properties are available which include:
For an alternative to this property see the code demonstrated by the "Version File Based Launch Conditions" section where it codes for a new "ONLYON" keyword by reading the Windows value for "ProductType" from the registry.
For more information see the "Operating System Properties" page online (or in MSI.CHM).
For a table that shows what values you should use to detect different operating systems and fix pack levels have a look online at "operating system related property values".