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:
Idto a new GUID
RemoveExistingProductsstandard action to the
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, which you can call "OldInstaller". Notice that the
Product element's Version is "126.96.36.199". Also, take notice of the Product's
UpgradeCode, as these will come into play later.