RemoveBG, how to install it?

[CtrlAltDel]

Sorry about this.  Disregard this thread and delete if necessary.  I've found another way to install this program and it works for me, for 50 free usages a month anyway and that's good enough.

Here:

removebg.py was another plugin, 

and here:

API key was an API key that is required and no extra dependencies are required as with the plugin I mentioned in the original post.