Troubleshooting
If App Store submission is your goal, consider whether you can upgrade your macOS to a newer version or use a different Mac that supports newer Xcode.
To download and work with Xcode on macOS High Sierra 10.13.6, you must use Xcode 10.1
: Xcode 10.2 and later natively require macOS Mojave (10.14.3) or higher. download xcode for mac os high sierra 10136 work
Once those components install, Xcode 10.1 is ready for development work.
: The Mac App Store typically only offers the latest Xcode, which will not work on High Sierra. You must download the specific Xcode 10.1 version manually. Access the Archive : Go to the Apple Developer Downloads
sudo spctl --master-disable # Then right-click Xcode → Open → Confirm Troubleshooting If App Store submission is your goal,
: Xcode 10.1 comes bundled with Swift 4.2.1 and SDKs for iOS 12.1 , watchOS 5.1, tvOS 12.1, and macOS Mojave.
: In the search bar, type "Xcode 10.1" to find the installer package.
Look through the filtered list for the entry explicitly titled . Step 3: Download the XIP File : The Mac App Store typically only offers
For , the latest officially supported version of Xcode is Xcode 10.1 .
Expected output:
Unlike standard .dmg or .pkg installers, .xip files behave a little differently on older macOS systems.
Xcode 10.1 (Released October 2018) Swift Version Support: Swift 4.2
Once expanded, you will see the Xcode icon (the hammer and blueprint).