macOS Sierra - What's New and a Compatibility List

These Mac models are compatible with macOS Sierra:

• MacBook (Late 2009 or newer)
• MacBook Pro (Mid 2010 or newer)
• MacBook Air (Late 2010 or newer)
• Mac mini (Mid 2010 or newer)
• iMac (Late 2009 or newer)
• Mac Pro (Mid 2010 or newer)

1. What is the newest OS I can run on my Mac?
2. Is Mac OS Sierra still supported?
3. Can I upgrade from High Sierra to Catalina?
4. What is the latest version of Mac OS Sierra?
5. Can a Mac be too old to update?
6. Which Macs can run high Sierra?
7. How much longer will high sierra be supported?
8. What happens when high Sierra is no longer supported?
9. Can I upgrade from Sierra to Mojave?
10. Should I update my old Mac to Catalina?
11. Which OS is best for my Mac?
12. Why cant I update my Mac to Catalina?

What is the newest OS I can run on my Mac?

Big Sur is the latest version of macOS. It arrived on some Macs in November 2020. Here's a list of the Macs that can run macOS Big Sur: MacBook models from early 2015 or later.

Is Mac OS Sierra still supported?

In keeping with Apple's release cycle, macOS 10.12 Sierra will no longer be receiving security updates. ... As a result, we are phasing out software support for all computers running macOS 10.12 Sierra and will end support on December 31, 2019.

Can I upgrade from High Sierra to Catalina?

You can just use the macOS Catalina installer to upgrade from Sierra to Catalina. There is no need, and no benefit from using the intermediary installers.

What is the latest version of Mac OS Sierra?

Which macOS version is the latest?

Can a Mac be too old to update?

Apple said that would run happily on a late 2009 or later MacBook or iMac, or a 2010 or later MacBook Air, MacBook Pro, Mac mini or Mac Pro. ... This means that if your Mac is older than 2012 it won't officially be able to run Catalina or Mojave.

Which Macs can run high Sierra?

These Mac models are compatible with macOS High Sierra:

• MacBook (Late 2009 or newer)
• MacBook Pro (Mid 2010 or newer)
• MacBook Air (Late 2010 or newer)
• Mac mini (Mid 2010 or newer)
• iMac (Late 2009 or newer)
• Mac Pro (Mid 2010 or newer)

How much longer will high sierra be supported?

Support Ending on December 1, 2020

In keeping with Apple's release cycle, Apple will stop releasing new security updates for macOS High Sierra 10.13 following its full release of macOS Big Sur.

What happens when high Sierra is no longer supported?

High Sierra will still work even after security support have stopped. We'll just have to be vigilant and perform security measures, install an anti-malware, anti-virus software. Though even with the newest OS receiving security updates, we would still need to be vigilant and implement security measures.

Can I upgrade from Sierra to Mojave?

Yes you can update from Sierra. ... As long as your Mac is capable of running Mojave you should see it in the App Store and can download and install over Sierra. As long as your Mac is capable of running Mojave you should see it in the App Store and can download and install over Sierra.

Should I update my old Mac to Catalina?

If you are on macOS Mojave or an older version of macOS 10.15, you should install this update to get the latest security fixes and new features that come with macOS. These include security updates that help keep your data safe and updates that patch bugs and other macOS Catalina problems.

Which OS is best for my Mac?

The best Mac OS version is the one that your Mac is eligible to upgrade to. In 2021 it is macOS Big Sur. However, for users that need to run 32-bit apps on Mac, the best macOS is Mojave. Also, older Macs would benefit if upgraded at least to macOS Sierra for which Apple still releases security patches.

Why cant I update my Mac to Catalina?

The macOS Catalina installation may also fail if you do not have enough storage space available on your Mac. ... There is not enough free space on Macintosh HD to install. Quit the installer to restart your computer and try again.” As stated above, you need at least 12.5 GB free space available on your Mac.