Two things are important for software upgrades: increase the ProductVersion in every new release, the UpgradeCode has to stay the same for all releases! Run make_installer.bat again, build two packages with different ProductVersion numbers and name them example_001.msi and example_002.msi. Change the following lines in your XML file example.wxs:
Run make_installer.bat again, test and uninstall your example.msi.Ī little bit of configuration is needed for software upgrades, because some values are used repeatedly we define them as variables. Since a start menu entry is a shortcut and not a real file, a registry entry is needed. This adds your example application to the start menu. You can uninstall your application via Add/Remove Programs in the Control Panel or right click on MSI file and choose Uninstall. This time there will be a directory called Example in your Program Files folder and the example.exe will be installed there. Run make_installer.bat again to build the package and double click example.msi to install it.
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