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Apr 26, 2020 04:19 AM
How to Install Different Versions of Same Product?
I use IS Express to create a setup for my program(version 1.0). Then install the 1.0 version on my computer.
Later, my program is upgraded to version 2.0. So I create a new setup for my program(version 2.0).
Now I want to install the 2.0 version on my computer, but do not overwrite the existing 1.0 version. How can I do that?
When I try to run the setup.exe for 2.0 version, it will said the product has already been installed and I should use Repair/Uninstall to maintance it. So it will not allow me to install the version 2.0 at all.
Apr 27, 2020 01:28 AM
You'll have to change the Upgrade GUID as well. So in total you will need to change the following:
- Upgrade Code
- Product Code
- Package Code
- Version Number
- Installation Location