4 Reasons Not to Install macOS High Sierra 10.13.4 & 10 Reasons You Should

These are the reasons not to install macOS High Sierra and the reasons you should make time to install the new macOS update now that we’re on macOS 10.13.4 and the update is installed on millions of machines worldwide.

The macOS 10.13.4 update includes fixes and support for external GPUs on newer MacBooks and the iMac Pro. This also includes previous updates that delivered important security fixes and new features.

You may see a notification for the macOS High Sierra update, and some users report the update is automatically downloading to their computer. You will be able to choose if you want to install the High Sierra upgrade on your Mac.

While there are more reasons to install, the few reasons not to install are very important. While there were problems that should make some users wait to install macOS 10.13, many are fixed in macOS 10.13.3 and are still fixed in 10.13.4.

If you are coming from macOS Sierra, this is a much bigger update than the upgrades that you’ve installed for the past year, so you should spend a little more time preparing for the High Sierra update than a small point release. The same is true for the upgrade to macOS 10.13.4 if you are coming from 10.12. There are major new features for Safari, Siri, Notes, iCloud and other services and apps you use on your Mac every day and there are even new macOS emoji.

If you’re trying to decide if you should upgrade to macOS High Sierra or stay on macOS Sierra, this guide will walk you through the reasons to install High Sierra and the reasons to stay on macOS Sierra for now.

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

  1. Don’t Install if You Aren’t Prepared
  2. Don’t Install if You Are Worried About macOS High Sierra Problems
  3. Don’t Install if You Use a Really old Mac
  4. Don’t Install if You’re Traveling

Here’s Why You Should Update to macOS High Sierra:

  1. Install if you have macOS Sierra Problems
  2. Install for new emoji
  3. Install for Safari Upgrades
  4. Install for New Photos Features
  5. Install if You Need Better Security
  6. Install macOS Sierra External GPU & VR Support
  7. Install If You’re Using iOS 11 on your iPhone and iPad
  8. Install for Apple File System
  9. Install for New Notes Features
  10. Install for Exciting New macOS High Sierra Features
Here are the reasons to install macOS High Sierra and the reasons not to.
Here are the reasons to install macOS High Sierra and the reasons not to.

You can upgrade to the new version of macOS and keep your data on your computer, or you can opt for a clean install of macOS High Sierra that gives you a fresh start.

Apple’s macOS High Sierra update is free to all users and there is no expiration on the free upgrade, so you don’t need to be in a rush to install it. Most apps and services will work on macOS Sierra for at least another year. While some are already updated for macOS High Sierra, others are still not quite ready.

Here’s our guide on the reasons to install macOS High Sierra and the reasons not to install High Sierra yet.

Install for Safari Upgrades

Install for Safari Upgrades

Do you use Safari as your main browser or stream a ton of movies on your Mac? If so, you should install macOS High Sierra so that you get all the new Safari features. 

With High Sierra Safari is upgraded to prevent ads from tracking you across multiple websites. This will increase your privacy and change the types of ads you see online. Another awesome improvement is stopping autoplay video. Safari will not allow sites to autoplay video when you go there, unless you want it. If your favorite site autoplays video and you like it, you can turn that on and the browser will remember it. 

You can also set preferences like using Reader all the time, zooming in to 150%, turning on content blockers, and even if the site can use your camera, microphone or location. 

With macOS 10.13.4 you also get new privacy features in Safari and warnings if you enter information like a password or a credit card into an unencrypted field. 

With Safari, you can watch videos for up to four hours longer than using Chrome or FireFox and browse for up to 2 hours longer on Safari.  


  1. German

    11/13/2017 at 8:54 am

    What would it be a really old Mac? I have a MacBook Pro late 2011.. would it be this a really old one?


    • JackDanielJenkins

      03/09/2018 at 7:25 pm

      Same question – I have a MacBook Pro Retina (Late 2013)

      Seems anything over 3 months old is considered “really old” these days.


  2. Morten Carlsen

    12/13/2017 at 1:50 pm

    Every time I come here to read about Apple (I find this site via Google) I never get a straight answer nor opinion.

    Not once do you ever dare to call the child by its name.

    Are you afraid of Apple ?


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