Taking a screenshot on an Apple device

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To take a screen shot on an iPhone, iPad or iPod, press and hold the power button on the top or side of the device and then press the home button.

The screen will flash indicating that a screen shot has been taken.

Swipe the image to the Left to Save in photos.

It will disappear from the screen but be saved in the Camera and Photos files.

To Save the Screenshot in a different file, or Email it. 
Touch the image to open it.

Crop the image if required.

Select the Upload icon.
Select where the image should be sent.

If the Screenshot is in the Photos or Camera file, it can also be shared by Selecting Upload, and choosing the right option.