Thank you so much. I missed the tabs at the bottom of that page. I thought I had looked everywhere. For some strange reason it had defaulted to a size of 3.
I use the fullscreen preview a lot. It works great, except the file info text is so small I cannot read it. I have attached a screen shot that shows a jpg with the text almost invisible at the upper left. I am using win 11, at 3840x2160. Screenshot 2022-03-21 100603.jpg