How to Update Mac High Sierra

Alicia Santos

Mac, Tutorials

Updating your Mac High Sierra operating system is an essential task to ensure that your computer is running smoothly and efficiently. In this tutorial, we will guide you through the step-by-step process of updating your Mac High Sierra, so you can take advantage of the latest features and improvements.

Step 1: Check System Requirements

Before updating your Mac High Sierra, it’s important to check if your computer meets the system requirements for the new operating system version. This ensures that your Mac can handle the update without any compatibility issues.

  • Processor: Your Mac must have a compatible processor. High Sierra requires at least a Core 2 Duo processor or newer.
  • Memory (RAM): Make sure your Mac has enough memory to support the update.

    High Sierra requires a minimum of 2GB of RAM.

  • Storage: Check if you have enough free storage space on your Mac. The update requires at least 14.3GB of available storage.

Step 2: Backup Your Data

Before proceeding with the update, it’s crucial to back up all your important data to prevent any loss or damage during the process.

You can use Time Machine, Apple’s built-in backup solution, to create a complete backup of your files and settings. Connect an external hard drive to your Mac and follow these steps:

  1. Open System Preferences: Click on the Apple menu in the top-left corner of your screen and select “System Preferences”.
  2. Select Time Machine: In the System Preferences window, click on “Time Machine” icon.
  3. Choose Backup Disk: Connect your external hard drive and click on “Select Backup Disk”.
  4. Select Your External Hard Drive: Choose the connected external hard drive from the list and click on “Use Disk”.
  5. Enable Time Machine: Check the box that says “Back Up Automatically” to enable Time Machine backups.

Step 3: Download and Install High Sierra Update

Now that you have checked the system requirements and backed up your data, it’s time to download and install the High Sierra update.

  1. Open App Store: Click on the Apple menu in the top-left corner of your screen and select “App Store”.
  2. Navigate to High Sierra: In the App Store, search for “High Sierra” or go to the macOS High Sierra page.
  3. Click on Download: On the High Sierra page, click on “Download” to start downloading the update.
  4. Follow Installation Instructions: Once the download is complete, a installation window will appear. Follow the on-screen instructions to install High Sierra.

Step 4: Restart Your Mac

To complete the update process, you need to restart your Mac after installing High Sierra.

You can restart your Mac by clicking on the Apple menu in the top-left corner of your screen and selecting “Restart”. Allow your Mac some time to restart and apply any necessary updates.


You have successfully updated your Mac High Sierra operating system! Enjoy exploring the new features and improvements that High Sierra has to offer.

Remember, keeping your operating system up to date is crucial for the security and performance of your Mac. Regularly check for updates and install them to ensure a smooth computing experience.

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