You could extend your PC or Mac display to a laptop screen. Learn how to use a laptop as a second monitor with Windows and macOS computers.

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.

You can use your iPad as a second monitor with a Mac or Windows computer. Apple has a built-in solution called Sidecar for Macs and iPads, but there are third-party apps for Windows computers.

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

If you have need to connect a second monitor to your Mac and have a spare iMac lying around, here's how to use an iMac as a second monitor.

Requirements to use your iPad as a second display As mentioned above, both of your devices need to support Sidecar, a feature that allows you to use your iPad as a second monitor for your Mac.