You can easily share what’s on your screens by taking screenshots. Hardware buttons let you snap a screenshot and store it locally. Afterwards, you can view, edit, and share the screen shot in Gallery or a similar app.
Method 1: Push the power button and Volume down button at the same time for a couple of seconds.
Method 2: Swipe down to access the quick settings from any screen, and then click the Screenshot icon to take a screenshot.
Method 3: Go to “Settings” -> “Button & gestures” -> “Gestures”-> “3-finger screenshot”, touch the trigger to activate it, then swipe down with 3 fingers.