I used a Simplecom NW621 USB-C Wifi Aerial prior to installing Ubuntu, obviously it won’t automatically read. Using an old mobile to USB tether in the mean time.
I need some help with the driver install, which there was a disc that came with it and has ‘Linux’ drivers (see screenshot below)
So what is happening is the install script is building the project from source files. There appears to be a command that is not being interpreted. You could try the build instructions I posted above to possibly get a more updates set of files. The git clone command is basically a download function the puts all the files in the directory you run it from. The video will go through the commands you need to issue in order to build the project. If you open your install.sh file with a text editor, you will see a list of commands that are similar.
And for the record, I would never go through all this for a wifi dongle. I would just get one that works with Linux already.