Maybe you have a MacBook with a small screen or a Mac mini connected to a TV or external monitor, and you feel like you could use a second screen or device to extend or mirror your current display.

Let's say you want a second screen for your Mac to extend or mirror your current display. If you're running macOS Catalina or higher and own an iPad, you can do it through a feature called Sidecar.

Know how to connect your Windows laptop or MacBook to a TV, using either a cable or wireless method, quickly and easily.