Learn more about the builds available for your Intel-based Mac. If you have a PowerPC-based Mac, see Mac OS: Versions, builds included with PowerPC Macs (since 1998) instead.
- Some computers shipped with different Mac OS X versions at different times. When a computer is not bundled with a later version, a "-" appears in the "Later Mac OS X included" column.
- The build information is available in the About This Mac window when you click the word "Version".
- Some Macs may include a slightly later build version (but same numbered version) of Mac OS X on the Install or Restore discs than was preinstalled on your computer.
- Do not use a Mac OS X version earlier than the one included with the computer.
- If you're using the Recovery Disk Assistant, you can only use the external recovery drive with the computer that created it.
Find build numbers for:
|Mac mini||MacBook Pro||Software Update|
|Mac Pro||MacBook Air||Mac OS X v10.4 and earlier|
Mac OS X versions (builds) for Computers
These articles may help you identify your Mac.
- How to identify your iMac
- How to identify Mac mini models
- How to identify a Mac Pro (8-core) computer
- How to visually identify your MacBook
- How to visually identify a MacBook Pro
- How to identify your MacBook Air
You should always use the latest version of Mac OS X. You can get updates from the Software Update pane of System Preferences, or from Apple Support Downloads.