MacOS Catalina and Big Sur can only run 64-bit apps. The second breaking issue is the lack of 32-bit app support. Luckily, I took a full backup before the upgrade. However, my VMWare Fusion 11 does not start anymore, so I have to purchase a new license if I want to keep using it (or roll back to Catalina). While personally I like macOS Big Sur and have it installed on my MacBook Pro, it comes with serious breaking changes.īig Sur is a transition OS that is designed to help Apple to move from Intel processors to their own chips on ARM.Īfter I installed Big Sur on my MacBook Pro mid-2020 (pre-Silicon), most of my apps, including Microsoft Office, were working as expected. Should I Upgrade to macOS Catalina or Big Sur? Which OS is Best for my MacĪnytime someone asks me which OS is best for them I always suggested going with the latest.

Also, some versions have hardware limitations.įor instance, Mojave cannot be installed on MacBook Pro earlier than Mid 2012 model.Ĭheck below to know exactly what version of OS your Mac can run. For instance, old Macs powered by PowerPC CPUs cannot run OS intended for Intel-based computers. Not all Macs can be upgraded to the latest OS version.

The first line in the Overview tab is the name of the current OS.Ĭurrent macOS What Version of OS Can My Mac Run?.

In the dropdown click on the first item: About This Mac.

Click on Apple logo in the top left corner of the menubar.

To find out which macOS is currently running on your Mac, follow these steps: It is recommended to use the latest version of Mac OS to take advantage of the latest updates and security improvements. Some popular versions include Mac OS X El Capitan, Sierra, and Mojave, which are known for their stability and improved features. The best Mac OS version is the one that your Mac is eligible to upgrade to. While everything below is just my opinion, as a long-time Mac user and veteran software engineer, I hope my opinion worth something.

Since the mission of this blog is to refute myths and legends around Macs, it’s time for me to provide my 2 cents about the issue on hand. Which Mac operating system is the best is a topic of numerous debates among Apple fans.

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Late 2012 macbook pro price