You don't ask for the moon, you just want to take full screenshots on Chromebook. Use the steps below as a guide for all your Chromebook screenshot and screen recording needs.
Step 1
Go to Quick Settings and select "Screen Capture".
Make sure the content you want to capture is displayed on screen.
Step 2
In the Screen Capture tool, choose whether you want to capture the entire screen, a single window, or a specific part of the screen.
You can also choose to record part of the screen or the whole screen.
Step 3
Once you have made your selection, click "Capture" on the screen.
Step 4
When done, the screenshot or recording will be shown in Tote on the app tray and will be copied to clipboard automatically.