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macOS User Guide
- Welcome
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- Work across devices using Continuity
- Use iPhone as a webcam
- Use iPhone with Desk View
- Stream audio and video with AirPlay
- Use one keyboard and mouse to control Mac and iPad
- Hand off between devices
- Unlock your Mac with Apple Watch
- Make and receive phone calls on your Mac
- Sync music, books and more between devices
- Resources for your Mac
- Resources for your Apple devices
- Copyright
If you need a new version of an app
If you recently installed a new version of macOS, you may need to install a new version of one or more apps that you downloaded from the App Store.
See which version of an app you have
On your Mac, open a Finder window.
Click the Applications folder.
Select the app, then choose File > Get Info or press Command-I.
The version is shown in the General section.
Get the latest version of an app
Open the App Store on your Mac.
Click Updates in the sidebar.
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