To take a screenshot with any Windows 10 device, you will simply need to press the Windows Key + PrtScn. This will instantly save the screenshot to the Pictures folder found on your device.
It is a similar process with a MAC OS, however, instead, you will need to press Shift + Command + 4 simultaneously. You will be able to create your own selection of what you require a screenshot of. When you release your mouse, the image will be saved to your desktop.
To capture a screenshot on your Android device, you will need to hold the Power button and the decrease volume down.
To capture a screenshot on your Apple device, you will need to hold the Power button and the increase volume down.