[wix-users] How WixTools manage the upgrades?

[Edwin Castro]

Do you mean WiX Toolset when you say WixTools? If yes, then you are
probably really asking how does the Windows Installer support upgrades? The
WiX Toolset is a collection of tools for authoring Windows Installer
packages.

https://docs.microsoft.com/en-us/windows/win32/msi/patching-and-upgrades

You'll see the answer is "it depends on how you author your MSI package". I
understand that answer isn't very satisfying but it is a correct answer.

I author my MSI packages to "uninstall the old version and install the new
version" by using a Major Upgrade and schedule RemoveExistingProducts early.

--
Edwin G. Castro

On Sun, Aug 16, 2020, 16:10 Davide Perini via wix-users <
wix-users at lists.wixtoolset.org> wrote:

> As title.
> How WixTools manage the upgrades?
>
> Suppose that I have a version 1.0 installed,
> what happen if I install version 1.1 on it?
>
> DOes it uninstall the old version and reinstall the new one?
>
> Thanks
> Davide
>
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