If one screen isn't enough to display everything you need at once, consider getting a second. Here's how to manage multiple screens in macOS.

Your monitor's overdrive setting is almost certainly worth turning on to improve motion clarity. Here's how to do it.

If you see the same thing on both displays, you should start by making sure the displays are Extended instead of Mirroring ...

You've screen shared with a Mac mini connected to an HDTV but, by gum, that shared screen won't fill your computer's display. Chris Breen shows you how it's done.

If you want everyone to be comfortable, especially as far as your vision is concerned, then you should have the full-screen monitor display on this resolution.

You don't always have to keep a display in a landscape orientation. Here's how you can turn a second screen into a vertical monitor, and to adjust macOS to work with it.