Share and collaborate on files and folders.Sync music, books, and more between devices.Make and receive phone calls on your Mac.Use one keyboard and mouse to control Mac and iPad.Use Live Text to interact with text in a photo.Make it easier to see what’s on the screen.Install and reinstall apps from the App Store.For a Wi-Fi connection, click Wi-Fi to check the network name. On the right, the indicator next to your type of network connection should be green. To check your connection, choose Apple menu > System Settings, then click Network in the sidebar (you may need to scroll down). Make sure both computers are connected to the same network. If necessary, adjust the sleep settings for each Mac. If you’re trying to share the screen of another Mac, on that Mac choose Apple menu > System Settings, click General in the sidebar, click Sharing on the right, click the Info button next to Screen Sharing, then make sure you’re in the list of users who have permission to share its screen. Make sure you turned on screen sharing or remote management and set up sharing permissions on the Mac whose screen you want to share. If you’re having problems sharing your screen with another Mac, or viewing a shared screen on your Mac, there are several things to check. Get started with accessibility features.Use Sign in with Apple for apps and websites.Watch and listen together with SharePlay.