On your 'Mac OS X Install' DVD, under Optional Installs, double-click Xcode.mpkg to install Xcode on your system. At the Mac App Store, download Xcode for free. As a registered Apple Developer, you can download the latest version of Xcode as a bundle (.dmg ).
Apple Xcode Installer Checksums What?SHA1 checksums of Apple's installers for:.Why?Strong cryptography makes us all safer. How do I verify SHA1 checksums?OSX have shasum, Linux & others: openssl sha1: shasum whatever.xipopenssl sha1 whatever.xipHow do I help?Got access to old versions of Apple installers you know are legit? Submit some hashes in a pull request.