Press Ctrl + Show Windows (key with a rectangle or two rectangles)
Press Ctrl + F5 to capture a full screen
Press Ctrl + Shift + Show Windows to capture a partial screen
Use the cursor to select the area to capture
Press the same shortcut again if you want to take another screenshot
Find screenshots in the Downloads folder (or Files app > Downloads)
To capture a window: press Alt + Show Windows
To capture a window: press Alt + F5 (if your keyboard uses F5 for Show Windows)