Installation problems on Windows 10

I’ve managed to get ROOT working using an Ubuntu subsystem. I’ll include the links to the resources I used below, in case anyone else needs them.

I’m not sure exactly how important it is, but it seems that, if you’re watching a tutorial, you should use the exact same version of everything as they do.

First, I downloaded Ubuntu 18.04 from the Microsoft store:

Throughout the process of installation, I followed this tutorial:

For basic instructions on using the Ubuntu terminal:
https://help.ubuntu.com/community/UsingTheTerminal

When I got a “13: Permission denied” error while installing prerequisites:

How to access Windows folders from the Ubuntu terminal:

When I got an error starting ROOT: