>>... the default HotKeys from Windows are "Print Scrn" or "Ctrl+Print Scrn" for a desktop screen (even multiple monitors) shot, and "Alt+Print Scrn" for the active window.
>>
>>(It saves the screen shot on the clipboard)
>
>The one I use the most is WindowsLogoKey+Shift+S. This lets you capture any arbitrary rectangular or freeform snip. It can also capture ephemera such as transient ToolTips etc. Apparently it started life as part of OneNote but is now part of Windows 10.

I just tried (closed GreenShot first) and you are right, it works as you said, thanks! I have been using GreenShot since more than 10 years ago so I did not know about this. Since many many years ago, whenever I build a new computer, I go to ninite.com and select the software I want to install, including GreenShot, and install them, so they are always available in all my computers, so I do not learn many new tricks :)