As far as I know, 2 versions of TV Server cannot be installed in parallel, only x64 or x86, if there was an update, then the server that was there remains. But here it is better to ask in the relevant topic.
Perhaps you need a GitHub accaunt, but is this available?
https://ci.appveyor.com/api/buildjobs/j7tdb9jq2jd6i3u8/artifacts/Release%2FMediaPortalSetup_x64_1.33.Final.1145.4ab77fc19f941d914a0e1968fbf1f0d9d74dd4bd.zip
You can try the internal test version; when installing, it is better to select the advanced mode and indicate that the SQL server is already installed. Because This is still a test, so it’s worth taking care of the backup.
х86...
Due to the release of the x64 version, and the need to recompile plugins, we have created a separate repository (for plugins that are popular but not supported).
https://github.com/Mediaportal-Plugin-Team
We will gradually transfer (Fork) plugins and try to keep them up to date.
If the plugin...