mv Xcode.app /Applications/

: 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

Xcode 10.1 supports iOS 12.1 by default. To test on older devices:

The Mac App Store restricts downloads of Apple’s integrated development environment (IDE) strictly to the newest macOS releases. If you attempt to search for Xcode on an older operating system, the system will block you with compatibility warnings.

The last version of Xcode compatible with is Xcode 10.1 . While the Mac App Store typically only offers the latest version, you can download Xcode 10.1 directly from the Apple Developer More Downloads page . Compatibility & Requirements Version: Xcode 10.1.

For users running , the last officially compatible version of Apple's development environment is Xcode 10.1 . While the Mac App Store typically only offers the latest version of Xcode (which now requires much newer macOS versions), you can still download and work with Xcode 10.1 through official Apple channels. How to Download Xcode 10.1 for macOS High Sierra

Do you need to target a specific for your project? Share public link

Apple no longer supports High Sierra for the latest Xcode versions. The is Xcode 10.1 (or Xcode 10.2.1, but that requires 10.14.4+). For 10.13.6 , the final working version is Xcode 10.1 .

Enter your Mac’s administrator password to authorize the installation.

If you only need a compiler for C++ or other terminal-based development, you can download the separately from the same Apple Developer Downloads page. If you'd like, I can:

Would you like help with:

Modern Homebrew packages often expect a newer compiler than what Xcode 10.1 offers.

I understand you're looking for a version of Xcode that works with (note: 10.13.6 is the final version of High Sierra; 10.13.6 is likely what you meant, as 10.13.6 doesn't exist).

If you search for "Xcode" in the App Store on High Sierra, you will likely see the latest version (currently Xcode 15 or 16). If you try to download it, you will receive an error message stating: "This application requires macOS [Newer Version] or later."

: You generally cannot use Xcode 10.1 to submit new apps or updates to the App Store, as Apple requires much newer versions of Xcode and macOS (currently version 15.0 or later).

Follow the same steps to log into the Apple Developer Downloads page. Search for Command Line Tools macOS 10.13 . Download the .dmg file matching Xcode 10.1.