Questions about Microsoft Windows 10 Pro

You can contact customer service at any time if you have a Microsoft problem. This version is no different from the other Microsoft products. The licence is for one PC only.

For the price difference, you can buy a very large USB stick yourself... It is very easy to create a USB stick yourself with which Windows 10 can be installed. Just download the Media Creation Tool from Microsoft https://www.microsoft.com/de-de/software-download/windows10

It is in basic German, but it is always possible to change the language. However, this requires some knowledge. You can find out how to do this on the Internet.

I cannot answer that. Please check a relevant website. Thank you

The installation from the USB stick normally runs without any problems: This is especially important when Windows can no longer be started, e.g. when a virus has paralysed the system. I bought the stick for this eventuality, for emergencies, so to speak. So far, I have not had to rely on a new installation, thank goodness. In any case, an installation via stick should be the safest and easiest way to get the computer up and running again in an emergency.