How to take screenshot on HTC 10
1-Go to the screen you want to capture. For example, you can go to WhatsApp and open the conversation.
2- Press and hold the Volume Down and Power buttons at the same time. Continue to hold the button until you hear a camera shutter or you see a notification. This is the method of combination of keys Android. To use another key combination, hold down the power buttons and the Home button simultaneously until you see a notification or hear a shutter sound. That's all! You have successfully made a screenshot on your HTC 10 .
3-View the screenshot in your notification bar or from the Gallery application.