user manual macOS Catalina
I've always had an HP laptop. Just purchased a used Macbook Pro 15". I don't know the first thing about how to operate it. Is there a manual I can purchase or download?
Earlier Mac models
Question marked as
Yes there is!
Click the Apple icon in menu bar > About This Mac > Support tab.
There you'll find a link to macOS Help.
Also, there's this: macOS User Guide - Apple Support