@Serge_vp Since version 2021 only one single version of Music Maker can be installed.
If you install version 2024 and use the same user account, the features from your 2021 version will be automatically be transferred to the 2024 version. Version 2021 will be uninstalled.
You can technically install multiple versions at the same time with a sandbox application like Sandboxie, but that's not really necessary.
@Serge_vp Did you install all updates and is the version you have currently installed at version number 32? If yes, you have already Music Maker 2024 installed.