The new macOS, High Sierra is now available

Apple’s new Operating System, High Sierra is now available and ready to install on your Mac. Here’s how you go about it.

Before starting, make sure uou have backed up your Mac. Run Time Machine or your online backup service if you have one.
The entire process will take around an hour, depending on your internet connection speed.

Got that? Right, you’re ready to go.

  • Fire up the App Store app, located in your Applications folder.

  • Look for macOS High Sierra in the App Store – you will probably find it in the top marquee carousel. once you locate it, click on it.
  • This should bring you to the High Sierra section of the App Store, and you can read Apple’s description of the new OS there.
  • When you’re ready to start, click the Download button at left side of the display.
  • Downloading will take a while as its over 5GB.
  • Once the download completes, the installer will launch automatically.
  • If you wish to install later, you can quit at this stage by pressing Command-Q. It will be saved to your Applications folder.
  • If you wish to proceed and install now, click continue.
  • Read the software license agreement and click Agree.
  • Select your Mac’s startup drive and click Install.


  • Enter your username and password for the new “helper tool” that the installer wants to install, and click Add Helper.
  • The Mac will then need to restart, so click Restart.
  • Any applications that are open will need to be closed. Click Close Applications.
  • Your Mac will restart and proceed with the installation.
  • When it’s done, you’ll have High Sierra on your Mac.

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