WiX— always overwrite the previous version

Question

I have an installer of an application that needs to install over any existing version, regardless of version number.

Instead, I\'ve got an installer that constantly

Answer 1

You want a major upgrade. There is a topic dedicated to that in the WiX.chm "How To" (also on the web: http://wix.sourceforge.net/manual-wix3/major_upgrade.htm).