How do you put the Screenshot icon in your dock?

In the FInder From your Application/Utilities/ScreenShot.app

grab a hold of the app and drag and drop onto the Dock.

Alternatively command 5 opens the screenshot without issue.

How to take a screenshot on your Mac - Apple Support

Click on your Desktop to get the Finder's attention. Press shift+command+U keys to bring up the Utilities folder. Drag and drop the Screenshot application onto your Dock.

Just drag it down to the Dock on the left hand side of the divider.

In the FInder From your Application/Utilities/ScreenShot.app

PJJN wrote:

OK, the key was Utilities. Found the app in Utilities. Thanks. jn

Good computing PJJN !

You should be able to find the Screenshots.app in your Utility Folder?

EDIT: Oops, late to the party again!

Yes, but the party continues… 😎

Indeed, it's always going!