To take a Kindle Fire screenshot, press and hold the Power and Volume Down buttons at the same time for a second. To locate screenshots, open the Photo or Amazon Photos app, depending on your version.
Tap the Photo icon on the home screen.
Your most recent screenshots will be displayed alongside other pictures you took or downloaded.
To upload screenshots to your Amazon Cloud Drive, and access your images on any device, choose an image to view it in fullscreen, then select the three vertical dots in the upper-right corner of the screen, followed by Upload.