Luckily, you can force some of these icons to be hidden from the dock. Here's how. For this example, we will hide an application that everyone has installed by default on their Mac, the Safari web ...

Although it's nice to start afresh with a new or newly reset Mac, there are several essential changes that I make every time.

I sit in front of a Mac all day (like you probably do), so ... Here’s what happens: The Messages icon in the Dock shows a red “1” badge, indicating that there’s a new message.