Microsoft Flight Simulator 2020 installation from the DVDs or from USB memory stick

From the release date (August 18th, 2020) I was waiting for some video with the installation of Microsoft Flight Simulator 2020 from the DVDs. I was curious how all this process is working and especially how can I install MSFS to non-system disk. I didn’t find such video on youtube till now. Now I have bought my copy of boxed MSFS Premium Deluxe and prepared video with all the answers. I also successfully tried to copy the content of all 10 DVDs to my 128 GB memory stick and install the game directly from that USB stick. The installation process consists of several steps: 1. 00:00 execute from first DVD or from USB memory stick (with content copied from all DVDs) - this process asks for location and needs 101 GB of free disk space 2. 47:50 automatic opening of Microsoft Store application, which asks for activation key (delivered on special card in the box) and also asks for another location with at least 127 GB free disk space (it is some bug, because it installed only 10,