Learn how to get software updates for OS X and apps from the Mac App Store. In Mountain Lion, use Mac App Store for OS X Updates.
Updating your software in OS X Mountain Lion
In Mountain Lion, Mac App Store delivers OS X Updates instead of the Software Update app.
Notifications that updates are available
Notification alerts in Mountain Lion inform you that updates are available.
Click "Details" to open the Mac App Store and see details about the updates available.If present, click "Update" to install software updates.If present, click "Restart" to install software updates that require a restart.
Tip: You can dismiss the Notification Alert by clicking it and swiping to the right.
You may see a badge appear with the number of software updates available on the App Store icon in the Dock.
Updating your software
In addition to clicking "Update" in a notification alert, you can follow these steps to get the latest software updates for OS X and Mac App Store apps.
Important: If you disable Spotlight on the startup volume, some updates may not appear.
Choose Apple () menu > Software Update… – If prompted, enter an admin name and password.
The App Store opens and displays any software updates available for OS X and Mac App Store apps. OS X updates will be at the top of the list. Note: Opening the App Store by clicking its Dock icon will only show Mac App Store app updates.
Click "Update All" to install all available software updates. If prompted, enter an admin name and password then Apple ID and password.Click "Update" to install individual software updates. If prompted, enter an admin name and password then Apple ID and password.
Monitoring the progress of installing software updates
After a software update had been started, the following progress indicators will appear:
The blue progress bar and download stats within the App Store app
The blue progress bar under the Launchpad icon on the Dock. Tip: To see the Launchpad bezel containing download stats, hover your cursor pointer over the Launchpad Dock icon.
Software Update pane of System Preferences
Use the Software Update System Preference to customize software updates.
Choose Apple () menu > System Preferences… > Software Update.
Note: If needed, click the padlock icon in the lower left and enter an admin name and password to unlock.
Automatically check for updates – Select this checkbox to have your Mac check for updates automatically.Download newly available updates in the background – Select this checkbook to have your Mac download updates automatically in the background so they are ready to be installed.Install system data files and security updates – Select this checkbox to have your Mac install system files and security updates automatically.Automatically download apps purchased on other Macs – Select this checkbox to have your Mac download apps (from the Mac App Store) that you purchased on other Macs.Note: You will see the Apple ID you have used sign into the Mac App Store after you have signed in.You must be logged in with an admin account to enable automatic downloads.
Show Updates or Check Now – Click Show Updates to open the Mac App Store and see any available updates. Click Check Now to check for updates.
Important: You should install OS X updates as soon as possible.
Secure connection to Apple's update servers
Mountain Lion uses HTTPS to make a secure connection to Apple's Software Update servers. Some web proxy configurations may prevent this secure connection. See this article for more information or consult with your local network administrator.
Updating your software in OS X Lion, Mac OS X v10.6, or earlier