ZoomIt - Sysinternals at https://learn.microsoft.com/en-us/sysinternals/downloads/zoomit

That small free application will notably allow you to press a key combination to “zoom in and out” on your screen and “draw” on your screen with your mouse. When presenting something using an external monitor, you can use that tool to draw attention to specific things or zoom in on tiny details when people are having issues seeing something. The link also show a small preview of what the application does.

If you want to see what various license plates look like from all of North America (as well as what they looked like in the past), there is a website that with a short URL. Strangely enough, the website never gone to https. The link is http://www.15q.net/