pViewer
pViewer, a small and fast image viewer. Because less is more.
...://www.microsoft.com/en-us/download/details.aspx?id=17851
I strongly suggest to open and read the Keyboard Shortcuts/Help menu in the software before starting to use it. Or you can read the How-to here: https://sourceforge.net/p/picoviewer/wiki/How-to/
You can find the Changelog here: https://sourceforge.net/p/picoviewer/wiki/Changelog/
Here's a review by findmysoft: http://pviewer.findmysoft.com/