Hi Martien,
For capturing screenshots you don't need Adobe, you just have to click on the combination shortcut Command+Shift+5 and you can capture whatever part of your screen. And in order to put them here on forum you just need to click on this + button under the message where its name is obvious: "Attachements and other options"
I made a video of the whole process, from the moment you download SetupPlanetdance.exe from
https://jcremers.com, until the end of the installation process on your Mac.
Unfortunately, its size is 1,6 GB and it's not possible to attach it here, due to size restrictions. I also compress it as .mp4, even with an awful resolution, but still its size is 38 MB and it is not fitting the size requirements of the forum.
So, either Jean could help it to post it here, or you can let me your email address to send it to you.
Cheers