A major upgrade is a full installation package that removes any older versions of the same product. To create one, you'll need to do the following:
Idattribute to a new GUID
We'll go over each step. Before we get to that, let's make an MSI that will install the old software—the software to update. You can use the following markup in a new WiX project called
You may recall that you can use an asterisk (
Id in the
Product element, and WiX will choose a new GUID for you each time you compile the project. You can do that here, if you choose to. However, we will use a hardcoded GUID to draw ...