Woofee

I'm having an issue installing this.
I bought this and went to the market place and searched for this and then clicked the install button and then my web browser froze and had to close it out. Went to 'install" again and got an error , "There was a problem loading this content." popup.
How do I check to see if it installed or is installed?
Tried again and my brower is frozen again? Is it working in the background?

I was able to install it succesfully useing Microsoft Edge. This plugin doesn't install correctly useing firefox version 101.