Use the Mac User Guide
The Mac User Guide has a lot more information about how to use your Mac mini.
Get help. Go the the Tips App or click in the Dock, then click the Help menu in the menu bar and choose Mac User Guide. Type a question or term in the search field, then choose a topic from the results list.
Explore topics. To find a topic in the Mac User Guide, you can browse or search. To browse, click “Table of Contents” to see the list of topics, then click a topic to read it. Or type what you want to find in the search field to go right to your answer.
Tip: If you can’t remember the location of a menu item in an app, search for it in Help. Place the pointer over the result, and an arrow shows you the command.
Learn more. See the Mac User Guide.