How to View the Complete App Installation History in Mac OS X

With automatic software updates in the Mac App Store, introduced in OS X Mavericks, Apple has made it easier than ever to keep your Mac up to date with the latest versions of apps and system files. Apple helpfully displays recently installed updates in the Mac App Store, but detailed information about software updates, not to mention logs of third party software obtained outside of the Mac App Store, isn’t readily visible to the user. For the typical Mac user, this lack of information is fine; most users don’t need to know when and how the latest version of Adobe Acrobat was installed. But power users, IT support staff, and those hoping to learn more about their Mac can find such information invaluable when auditing or troubleshooting issues in OS X. Thankfully, a full list of all software installed on your Mac is still available. You just need to know where to look.
To find your app installation history in OS X, head to the System Information window (f.k.a. System Profiler). You can get there by clicking on the Apple icon in the Menu Bar, holding the Option key, and selecting System Information, or you can launch the System Information app located in Macintosh HD/Applications/Utilities/.
System Information provides a wealth of information about your Mac and operating system, including important details such as your Mac’s serial number and specific model identifier, memory type and configuration, attached USB and Thunderbolt devices, and the capabilities of your network interface. What we’re interested in, however, is Software.
In the list of categories on the left of the System Information window, find Installations under the Software section. This window displays a complete list of all software currently installed on your Mac, including any updates.
software installation history os x
Simply browse the list on the top half of the window, click on an item to select it, and then view the details of that item in the bottom half of the window. Information available includes the name of the app or update, an available version number, the source of the app or update, and the date and time of its installation. You can click on any column header to sort the list by that column. For example, clicking on the Install Date column will let you see the most recent installations first.
mac app store recent updates
While viewing software installations and updates via the System Information window isn’t as simple as looking at the “Updates Installed in the Last 30 Days” list found in the Mac App Store, it offers several advantages. First, it’s a complete list that includes all software regardless of source. The Mac App Store only shows you apps and updates obtained via the store itself. Second, it’s far more detailed, displaying the exact date, time, and version number (if available) of installed or updated software. The Mac App Store only displays the day an update or app was installed, which is less useful when trying to troubleshoot issues, especially if multiple apps or updates were installed on the same day.
Most users won’t need to look at this list every day — the Mac App Store’s list is generally good enough for day-to-day tracking — but it’s good to know that this level of detailed information exists when it comes time to troubleshoot a compatibility issue or audit your Mac’s software before an OS X upgrade or major change to system configuration.

How to View the Complete App Installation History in Mac OS X

4 thoughts on “How to View the Complete App Installation History in Mac OS X”

Thanks for this article — it is a life-saver!
For weeks now, I have been trying to verify the original OS that my 2 Macs were shipped with. Not even Apple Support could tell me for sure. Both of my Macs were upgraded to High Sierra. However, I wanted to re-partition the internal SSDs to setup a dual-boot system (Sierra and High Sierra). Learned from Apple that you cannot do these for Macs beginning those that shipped with High Sierra.
Thanks again! –m
Yaki Raw says:
and how do I delete the latest instalation, it was a virus.
Goslo Jo says:
in System Report >> Software >> Installations there are some entries for applications that I deleted and removed months ago. There is no trace about this anywhere on my Mac, except in this list of installations. How do I remove these entries. I guess I could just ignore it, but the meticulous part of my brain says it must be removed.
axon says:
did u ever found out??;)
Smile it is almost Friday! says:
How do I stop the automated updates from repeating?

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