Enabling Windows 8 or Windows 8.1 screen capturing tool.
To begin, go to search, type snipping tool, right click on top of snipping tool icon that appears below then select and click Open file location.
Right click on top of snipping tool then select and click Properties
In Snipping Tool Propteries, select Shortcut Tab, point the cursor to shotcut key then in your keyboard press Windo Logo + Shift + S or Ctrl + Alt + S, then select OK
Restart the PC to make it work.