One user, “CrustyMac68k,” had posted a Base64 encoded string. “Decode this,” he wrote. “It’s a signed link from Apple’s old cache. It will expire in 48 hours. Use wget with the --header flag.”

For macOS High Sierra 10.13.6, the latest and last fully compatible version of Xcode is Xcode 10.1

Compare the output with Apple’s official checksum (you can find this on the download page or via developer forums). If it matches, you are safe.

— risk of malware.

“It works?” Jiri asked.

: Locate the entry for Xcode 10.1 and click the link to download the Xcode_10.1.xip file. Extract and Install :