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Follow these steps on a Mac and iPad that meet the Sidecar system requirements. You can use Sidecar wirelessly, but to keep your iPad charged during use, connect it directly to your Mac with the USB charge cable that came with your iPad.
Learn more about using external displays. For example, you can use Displays preferences to arrange displays so that your iPad extends the left, right, top, or bottom of your desktop.
If you hover your pointer over the full-screen button of a window, you can choose to move that window to or from your iPad display. It's faster than dragging the window, and the window is perfectly resized for your display.
The sidebar puts commonly used controls on the side of your iPad screen. It includes Command, Shift, and other modifier keys, so you can choose essential commands with your finger or Apple Pencil instead of a keyboard.
Use Sidecar preferences to turn off the sidebar or change its position.
Tap to show or hide the menu bar when viewing a window in full screen on iPad.
Command. Touch and hold to set the Command key. Double-tap to lock the key.
Option. Touch and hold to set the Option key. Double-tap to lock the key.
Control. Touch and hold to set the Control key. Double-tap to lock the key.
Shift. Touch and hold to set the Shift key. Double-tap to lock the key.
Undo the last action. Some apps support multiple undos.
Many apps on Mac have Touch Bar controls that make common actions even easier. With Sidecar, you get a Touch Bar on your iPad screen even if your Mac doesn’t have a Touch Bar. Tap its controls with either your finger or Apple Pencil.
Use Sidecar preferences to turn off the Touch Bar or change its position.
If the Touch Bar doesn't appear when using an app that offers Touch Bar controls, choose Apple menu > System Preferences, click Mission Control, then make sure that “Displays have separate Spaces” is selected.
Multi-Touch gestures on iPad remain available when using Sidecar. These gestures are particularly useful with Sidecar:
To point, click, select, and perform tasks such as drawing, editing photos, and manipulating objects on your iPad while it's extending or mirroring your Mac display, you can use your Apple Pencil instead of the mouse or trackpad connected to your Mac. You can also use it to write, sketch, and mark up documents while seeing the updates live on your Mac.
Sidecar also supports double-tap, which you can turn on in Sidecar preferences. Double-tap enables apps that support this feature to perform custom actions when you double-tap on the side of your Apple Pencil (2nd generation).
During your Sidecar session, you can type using a keyboard connected to either your Mac or iPad, such as the Smart Keyboard or Magic Keyboard for iPad.
To point, click, or select with a mouse or trackpad, use the mouse or trackpad connected to your Mac, or use an Apple Pencil on your iPad.
While using Sidecar, you can switch to an iPad app, then interact with that app on your iPad as you normally would. This suspends your Sidecar session until you switch back to the Sidecar app or disconnect Sidecar. The Sidecar app appears on your home screen only while using Sidecar.
Choose Apple menu > System Preferences, then click Sidecar. These preferences are available only on computers that support Sidecar.
Sidecar requires a compatible Mac using macOS Catalina or later and a compatible iPad using iPadOS 13 or later.