4 Reasons Not to Install macOS Sierra and 9 Reasons You Should

Here are the reasons not to install macOS Sierra and the reasons you should upgrade to macOS Sierra 10.12.4 today. For most users the reasons to install macOS Sierra outweigh the drawbacks, but for there are still some important reasons to wait– even for smaller updates.

The macOS Sierra update brings more than just a brand new name for the software that runs on your Mac, MacBook, and iMac. This latest update adds new MacBook Emoji and other important updates. The new macOS Sierra 10.12.4 update adds Night Shift to your Mac.

Apple began automatically downloading the macOS Sierra update to many computers earlier this year and you may see it show up on your Mac unexpectedly. This is prompting more users to install macOS Sierra even though it is not a required upgrade.

Since the announcement last fall, we’ve seen the macOS Sierra 10.12.1, 10.12.2, 10.12.3 update and the macOS Sierra 10.12.4 update that is now live. If you haven’t upgraded or installed the latest updates. You can also choose to sign up for the macOS Sierra beta if you want to test out the latest versions.

What you need to know about the latest macOS Sierra updates.

What you need to know about the latest macOS Sierra updates.

Many users are asking if they should upgrade from OS X El Capitan to macOS Sierra or upgrade from OS X Yosemite to macOS Sierra and this will help you make that decision based on your specific situation.

Here’s Why You Should Update to macOS Sierra:

  1. Install if you have OS X El Capitan Problems
  2. Install for Night Mode On Your Mac
  3. Install if you have the 2016 MacBook Pro with Touch Bar
  4. Install if you need better security
  5. Install macOS Sierra for Siri
  6. Install for Better Messages & New Emoji
  7. Install to Unlock with the Apple Watch
  8. Install for Apple Pay on Mac
  9. Install to get more storage space back

Here’s Why You Shouldn’t Install macOS Sierra;

  1. Don’t install if you aren’t prepared
  2. Don’t install if you are worried about macOS Sierra problems
  3. Don’t install if you use a really old Mac
  4. Don’t install if you’re traveling
Should I Install macOS Sierra? Here's what you need to know.

Should I Install macOS Sierra? Here’s what you need to know.

The macOS Sierra release date arrived in October, delivering a fresh look and a fresh set of features to your Apple computers. One of the most interesting is that you can now login to your MacBook or iMac with your Apple Watch.

Apple spent the better part of the last year delivering small and important upgrades to OS X El Capitan, which may leave it the best option for many users as we enter 2017. After a lengthy developer and public beta period that squashed many bugs, there are still some macOS Sierra problems that users need to keep in mind before upgrading.

Users can install the macOS Sierra update and keep their data, apps and photos in place right from the App Store. If you’re experiencing major OS X El Capitan problems, it’s a smart idea to perform a clean macOS Sierra installation and start fresh.

The macOS Sierra update is free, and the free offer doesn’t end like the Windows 10 free upgrade did.

If you are still on the fence, here is a look at the reasons to install macOS Sierra (macOS 10.12.3) and the reasons you shouldn’t upgrade yet. After you learn about what the macOS Sierra update includes and the potential issues you can decide if the time is right for you to update.


To turn off the automatic macOS Sierra download, go to System Preferences -> App Store -> Uncheck Download newly available updates in the background.

If you need to delete the macOS Sierra update that already downloaded to stop the prompts to update or to get some space back you can find it using Finder and delete it.

Here’s what’s new in macOS Sierra 10.12.3 that is out now for Apple computers;

  • Adds Night Shift for automatically shifting the colors in your display to the warmer end of the spectrum after dark.
  • Adds Siri support for cricket scores, schedules, and player rosters from the Indian Premier League and International Cricket Council.
  • Adds Dictation support for Shanghainese.
  • Improves right-to-left language support for the Touch Bar, toolbar, and visual tab picker in Safari.
  • Resolves several PDF rendering and annotation issues in Preview.
  • Improves the visibility of the subject line when using Conversation View in Mail.
  • Fixes an issue that may prevent content from appearing in Mail messages.
  • Adds support for more digital camera RAW formats.

If you haven’t installed macOS Sierra yet there are still reasons to hold off, but not as many as we saw in February.

We’ll start with the reasons to install macOS Sierra and then move into the reasons not to install macOS Sierra 10.12.4 yet.

Install if You Have OS X El Capitan Problems

 1 / 13
Install if You Have OS X El Capitan Problems

Do you have OS X El Capitan problems? If your WiFi is unreliable, your Mac is slow or acting odd, a macOS Sierra update may be just the thing your computer needs. In addition to delivering smart features there are bug fixes and performance upgrades in macOS Sierra as well.

If your computer is really acting up, you may want to spend the time to perform a clean install of macOS Sierra. This allows you to start over fresh with no apps or data to mess up your installation. Users that go this route should make sure that they have important data backed up someplace else.

 1 / 13