Can't install Ubuntu 20.04 on Jetson Nano Developer Kit Model B01?

Hi everyone, I am trying to install Ubuntu 20.04 and used the community made 20.04 boot but it is not working on my model B01. I found a video in the ether saying that I need to edit a file but I can not because I don’t have access to a linux environment, or an extra sd card. Can anyone link the boot for 20.04 for the model B01?

Here is the tutorial I have been following:

Here is the link to the Xubuntu 20.04 community made file: Xubuntu 20.04 Focal Fossa L4T R32.3.1 - Custom Image for the Jetson Nano

I only can suggest to ask question at that topic or try to contact with the author.