How do I take a screenshot on the hp Chromebook?

press control + shift and the button on the top of the keyboard with a line next to a rectangle box.

Hold down the Ctrl and Shift keys at once

Explanation:

Step 1: Hold down the Ctrl and Shift keys at once, then press the Switch window button. Step 2: Chrome's cursor will be temporarily replaced with a crosshair. Click and drag a square across the portion of the screen you want to save, then release the trackpad or mouse button.