On an OS X Mac, how can you display a list of installed software including software updates?
In the Apple menu, choose Software Update and click Receipts.
Open Installer, choose Show Files from the File menu, and select install.log in the Files section under /var/log/.
In the Apple menu, choose Software Update preferences and click Installed Software.
In the Utilities folder, open System Information and select Installations in the sidebar under Software.
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