You can use folders to better organize your dock. Group together applications in folders and add the folders to your dock instead of each individual app.
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Check out Organizing Your Dock With Folders at YouTube for closed captioning and more options.
Content is very useful to a new user! It would be nice if the whole screen were captured–the bouncing around made it difficult to follow and orient myself. It would also help if you explained “command key”, specify click on your Macintosh HD displaying on the screen, etc. In other words, I am such a PC user that I need you to explain each and every click you do and how to do it. I was able to do this but since the next viewer might like these additions. –since novices are the ones who would typically be watching these, including this info would be nice in all the tutorials. Thanks for the helpful info! I really appreciate what the team is doing