How to use an iPad as a second screen for your Mac or Windows PC

Your iPad can give your Mac or PC some much-needed extra screen space. Portable displays can be quite useful for boosting your productivity on the go, and your iPad can pull double duty as one. It wasn't exactly designed to work as an external monitor, but it actually works really well for that purpose. Maybe you're working from a coffee shop or traveling, and all you have with you is your Mac and iPad. From third-party apps to Apple's own solution, there are many ways to turn your iPad into a monitor. Not only that, but they also enable features like Apple Pencil support on your Mac. It all depends on your setup and the features you need. Sidecar is the simplest route, but there are a few requirements you need to meet. The most important one is having a Mac. Windows users are out of luck here, although there are alternatives in that case. If you already have a Mac, you're ready to go. From there, both devices need to be on the same iCloud account. It won't work if you use different accounts on your devices, so check your iPad Settings before continuing. If your iPad and Mac are already signed in to the same account, using Sidecar is easy. On your Mac, open Control Center — it's the icon with two toggle switches in the Menu Bar. Look for Screen Mirroring, the two overlapping squares, in the list. Choose your iPad, and it turns into a secondary display for your Mac. From there it acts like any external display with full resolution and adjustable placement. You can even go to t