I guess since I don’t have a Twitter account I can’t just do what you did.
I am going to see if I can still log into firefox and see if I can do it from there. I doubt I can though since my computer is to old. :-(
You don’t need a twitter account.
It has nothing to do with having a twitter account.
You should be able to right click on the picture I posted here and save it to your pictures on your laptop.