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How to Upgrade Mac System Software

Upgrading system software on your Macintosh computer changes the way certain programs and processes behave. System upgrades are used to fix bugs and errors that had previously been experienced. Upgrades are also used to introduce new...
Method 1 of 3:

Upgrading Mac System Software With OS X 10.3 and Later

  1. How to Upgrade Mac System Software Picture 1How to Upgrade Mac System Software Picture 1
    Open the Apple menu.
  2. How to Upgrade Mac System Software Picture 2How to Upgrade Mac System Software Picture 2
    Click the Software Update option.
  3. How to Upgrade Mac System Software Picture 3How to Upgrade Mac System Software Picture 3
    Choose the upgrades you wish to install in the Software Update menu.
  4. How to Upgrade Mac System Software Picture 4How to Upgrade Mac System Software Picture 4
    Click Install.
    1. When using OS X 10.3, click "Check Now."
    2. Versions of Mac OS X 10.5 and later have the ability to run software update checks automatically. These checks can run in the background. When a software upgrade is available, the computer will prompt you.
Method 2 of 3:

Upgrading Mac System Software With OS X 10.2.8 and Earlier

  1. How to Upgrade Mac System Software Picture 5How to Upgrade Mac System Software Picture 5
    Open the Apple menu.
  2. How to Upgrade Mac System Software Picture 6How to Upgrade Mac System Software Picture 6
    Click on System Preferences.
  3. How to Upgrade Mac System Software Picture 7How to Upgrade Mac System Software Picture 7
    Select "Software Update" from the View menu.
  4. How to Upgrade Mac System Software Picture 8How to Upgrade Mac System Software Picture 8
    Select "Update Now."
  5. How to Upgrade Mac System Software Picture 9How to Upgrade Mac System Software Picture 9
    Choose the items you wish to install, then click "Install."
  6. How to Upgrade Mac System Software Picture 10How to Upgrade Mac System Software Picture 10
    Input an administrator account name and password.
  7. How to Upgrade Mac System Software Picture 11How to Upgrade Mac System Software Picture 11
    Restart your computer if the software update calls for it.
Method 3 of 3:

Upgrading Mac System Software With a Standalone Installer

  1. How to Upgrade Mac System Software Picture 12How to Upgrade Mac System Software Picture 12
    Open your browser.
  2. How to Upgrade Mac System Software Picture 13How to Upgrade Mac System Software Picture 13
    Go to the Apple Support Downloads website.
  3. How to Upgrade Mac System Software Picture 14How to Upgrade Mac System Software Picture 14
    Select the software update you wish to install.
  4. How to Upgrade Mac System Software Picture 15How to Upgrade Mac System Software Picture 15
    Click Download.
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