Nov 29, 2017 Download and install older versions of OS X on a Mac. Igor Degtiarenko Writer and blogger at MacPaw, curious just about everything. Before we start. Having spent some years coding applications for macOS we’ve created a tool that everybody can use.
As any good software developer should, Apple constantly releases improvements to Mac OS X Snow Leopard in the form of software updates. Apple makes it easy to keep Mac OS X up to date with the Software Update controls in System Preferences. These updates can include bug fixes, improvements and new features, enhanced drivers, security upgrades, and firmware upgrades.
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You don’t even have to display the System Preferences window to check for new software updates manually. Click the Apple menu in the Finder menu bar and then choose Software Update to perform a manual check immediately.
To check for new updates periodically, display the Software Update pane in System Preferences and click the Scheduled Check tab.
Select the Check for Updates check box and choose how often you want these updates from the pop-up menu.
Check weekly, if not daily.
For a manual check, make sure that you’re connected to the Internet and then click the Check Now button.
To download updates automatically, mark the Download Important Updates in the Background check box to enable it; the Big X politely downloads the updates behind the scenes and then alerts you that they’re ready to be installed. (With automatic downloading disabled, Mac OS X displays any available updates with short descriptions, and you can toggle the installation of a specific update by enabling or disabling the check boxes next to it.)
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After you specify the updates that you want to install, click the Install button to begin the update process. You might have to reboot after everything has been installed.
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To see which updates you’ve installed already, click the Installed Updates tab on the Software Update pane in System Preferences.