Xcode 9.4.1.xip Download |verified| Guide
unofficial sources unless absolutely necessary. They may contain malware, modified binaries, or broken signatures. If you must use one, verify the SHA-1 or SHA-256 checksum against known Apple hashes (searchable via Apple’s release notes or forums).
The safest, most reliable source is Apple’s official developer portal. xcode 9.4.1.xip download
Xcode 9.4.1 includes simulators for iOS 11.4. To add older ones: unofficial sources unless absolutely necessary
: Xcode 9.4.1 is the final version supported for macOS High Sierra 10.13.2 . xcode 9.4.1.xip download