Launch Xcode 10.1. It will install additional components automatically.
Once Xcode 10.1 is running, you need to configure it specifically for High Sierra. download xcode for mac os high sierra 10136 work
Click the download button. The file is large; use a stable internet connection. Launch Xcode 10
Since the App Store generally pushes the latest version, you must download the specific installer manually. Once Xcode 10
Before proceeding, ensure you are actually on 10.13.6.
Move Xcode to /Applications
Open Xcode