2 monitors, how to display the content of the first on the second?

Question

Monitors

One windows 10 pro computer has two monitors in extended mode. One at 2k resolution, the other at 720p. How to view the contents of a small monitor on a large one? (Ps. Need to check the color gamut, which is not always reflected correctly on a small monitor).

Answer 1

Try to put remote viewing, there vnc what realties in display mode 2 monitors, well, the window, respectively, will be on the first one. So-so solution but it can work