Wait for the download to complete. The file size is approximately 5.6 GB, so ensure you have a stable internet connection. 3. How to Extract and Install the .xip File
Notes/assumptions: you want a version of Xcode that runs on macOS High Sierra 10.13.6 (released 2017). The latest Xcode does not support High Sierra; use Xcode 10.1 or Xcode 9.4.x (Xcode 10.1 is the last that officially supports 10.13.6). download xcode for mac os high sierra 10136 work
Xcode 10.1 uses Swift 4.2. If your project uses Swift 5, you cannot compile it. You will need to refactor your code or stay within the Swift 4.2 language version. Wait for the download to complete
If you need newer Xcode:
He opened his client’s project. The build button was a green triangle. He hovered the cursor. He clicked. How to Extract and Install the
Xcode 10.1 supports Swift 4.2.1. If you are using libraries built with Swift 5, you may run into compatibility issues.
XIP files are sensitive to network interruptions during download. If the extraction fails halfway through, delete the partial file, clear your browser cache, and download the file again. Ensure your Mac does not go to sleep during the download process. Out of Disk Space