In your Windows operation system, by pushing Prnt Scrn button on keyboard you can take a print screen from your desktop, But what should you do if you want to get a print screen from a specific window?
It is very simple!
Just select the window that you want, then press Alt+Prnt Scrn in your keyboard!
Now you can paste it every where you like!
Cheers!
Image Source: https://pixabay.com/en/laptop-hands-computer-technology-1149412/