Based on the project created in Wix: Using Patch Creation Properties - Small Update,
Following changes are made to make a minor upgrade:
1. Change Product Version.
2. Add MinorUpdateTargetRTM="1" under PatchMetadata node.
Details see attachment: SetupWix.7z
Reference:
Wix: Using Patch Creation Properties - Minor Update
原文：http://www.cnblogs.com/cindy-hu-23/p/3986041.html