How to prevent your Mac from downloading updates in the background

If you're a system administrator concerned about data usage or network bandwidth, you can prevent software updates from being downloaded automatically from Apple.

Keeping your software up to date is essential for maintaining the security of your Mac. Updates also offer new features and can improve stability, performance and compatibility. And when updates are downloaded automatically, it's faster and more convenient to install them when you're ready.

If you're a system administrator and need to prevent automatic downloading of software updates, for example if you need to limit data usage or conserve network bandwidth, you can use any of these solutions.

Use Software Update preferences

Use Software Update preferences to turn automatic software downloads on or off.

Use a configuration profile

System administrators can prevent automatic downloads by using a configuration profile with the AutomaticDownload key set to False in the com.apple.SoftwareUpdate domain.

Use a Terminal command

System administrators can enter this command in Terminal to prevent automatic downloads.

sudo defaults write /Library/Preferences/com.apple.SoftwareUpdate AutomaticDownload -boolean FALSE

Learn more

Find out about the security configuration updates and data files that are installed automatically by macOS.