This software is still available for purchase (As of 'Last Modified: May 27, 2015', Apple Software Update Certificate Authority fingerprints are: SHA1 FA 02 79 0F CE 9D 93 00 89 C8 C2 51 0B BC 50 B4 85 8E 6F BF, SHA1 9C 86 47 71 48 B3 D7 04 24 7A 3C 3F 56 EA 2D E5 94 4B 01 C2.) OS X Internet Recovery How to verify the authenticity of manually downloaded Apple software updates : If you manually download an update package for Mac, you can verify the signature to confirm that the package is authentic and complete. Exception to this rule are very rare and you should know exactly what you are doing! checking and verifying integrity of preserved software Mac OS X versions (builds) for computers: Learn which Mac OS X versions (builds) originally shipped with or are available for your computer via retail discs, downloads, or Software Update.įinding the OS X version and build information on your Mac: Learn how to locate the OS X version and build number on your Mac.ĭon't install a version of Mac OS X earlier than what came with your Mac: This article explains why you should not install a version of Mac OS X earlier than that which came with your Mac. Mac OS X for PowerPC microprocessor Learn more about the builds available for your Intel-based Mac.

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