How to Install macOS High Sierra


5 min read 30-10-2024
How to Install macOS High Sierra

How to Install macOS High Sierra

macOS High Sierra, released in September 2017, brought a slew of new features and improvements, including a refined file system, enhanced graphics capabilities, and a focus on video and audio editing. While some users may be tempted to upgrade their existing macOS system, others might be starting with a fresh install. Whichever path you choose, this guide will help you navigate the installation process seamlessly.

Prerequisites for Installation

Before diving into the installation, let's ensure you have the necessary prerequisites in place:

  1. Compatible Mac: macOS High Sierra supports Macs released in 2011 or later, with a few exceptions. Check Apple's official compatibility list to confirm your Mac's eligibility.

  2. Sufficient Storage: The macOS High Sierra installer requires at least 20 GB of free storage space. You might want to free up some space beforehand, as a clean installation usually removes all your current data.

  3. Backup: It's always a good practice to back up your system before performing a significant update or installation. This can be done through Time Machine, a cloud backup service, or an external drive.

  4. Internet Connection: You will need a stable internet connection throughout the installation process. This allows for downloading the necessary files and verifying their integrity.

  5. macOS Installation USB Drive: If you're performing a clean install, you'll need a bootable USB drive with the macOS High Sierra installer. To create one, follow Apple's instructions, which involve using the "Create a bootable installer for macOS" tool.

Installation Methods

There are two primary methods for installing macOS High Sierra:

  1. Upgrade: This method directly updates your existing macOS system to High Sierra. It's generally faster and less demanding than a clean install, but it might not be ideal if you're experiencing issues with your current operating system.

  2. Clean Install: This involves erasing your hard drive and installing macOS High Sierra from scratch. It provides a fresh start, potentially resolving existing issues and maximizing performance.

1. Upgrading Your Current macOS System

  1. Backup Your Data: This step is crucial as upgrading might lead to unexpected data loss.

  2. Download the macOS High Sierra Installer: Head over to the Mac App Store and search for "macOS High Sierra." Download the installer and open it.

  3. Follow the On-Screen Instructions: The installation process will guide you through the steps. It's important to read and follow the prompts carefully.

  4. Restart Your Mac: After the installation is complete, your Mac will restart, and you'll be greeted with macOS High Sierra.

2. Performing a Clean Install

  1. Create a Bootable USB Drive: Follow Apple's instructions to create a bootable USB drive containing the macOS High Sierra installer.

  2. Back Up Your Data: This is essential, as a clean install will erase your entire hard drive.

  3. Restart Your Mac: While holding down the Option (Alt) key, restart your Mac.

  4. Select the USB Drive: From the boot menu, select the USB drive you created.

  5. Follow the On-Screen Instructions: The installer will guide you through the process. This includes choosing the installation language, formatting the hard drive, and selecting the desired macOS High Sierra version.

  6. Install macOS High Sierra: The installation process will commence, and your Mac will reboot several times during this process.

  7. Configure Your Mac: After the installation is complete, you'll need to configure your Mac by setting up your user account and choosing your preferred settings.

Troubleshooting Common Installation Issues

While installing macOS High Sierra, you might encounter some issues. Here are some common troubleshooting tips:

  1. Verify Internet Connection: Ensure you have a stable internet connection throughout the installation process.

  2. Check Disk Space: Make sure you have enough free space on your hard drive.

  3. Restart Your Mac: A simple restart can often resolve unexpected issues.

  4. Run Disk Utility: If your Mac encounters errors while accessing the hard drive, try running Disk Utility from the bootable USB drive or the macOS recovery mode.

  5. Contact Apple Support: For more complex issues, contact Apple Support for assistance.

Post-Installation Configuration

Once you've successfully installed macOS High Sierra, it's important to configure your system to optimize its functionality and security.

  1. Install Updates: It's crucial to keep your macOS system up-to-date by installing the latest software updates. These updates address security vulnerabilities and improve system stability.

  2. Set Up Apple ID: Linking your Apple ID to your Mac allows you to access various features, including iCloud storage, the App Store, and Apple Music.

  3. Install Apps: You can install apps from the Mac App Store or download them from other trusted sources.

  4. Customize Settings: Tailor your Mac's settings to your preferences, including customizing the desktop background, adjusting the trackpad sensitivity, and setting up notification preferences.

  5. Secure Your System: Enable strong passwords, enable FileVault encryption, and consider using a firewall to protect your Mac from unauthorized access.

Conclusion

Installing macOS High Sierra is a straightforward process, but it's essential to follow the right steps to ensure a smooth and successful installation. By understanding the prerequisites, choosing the appropriate installation method, and following the provided instructions, you can successfully install macOS High Sierra on your Mac. Remember to back up your data, keep your system updated, and secure your Mac to enjoy the new features and improvements that High Sierra offers.

Frequently Asked Questions (FAQs)

1. Can I upgrade from macOS Sierra to macOS High Sierra?

Yes, you can upgrade directly from macOS Sierra to macOS High Sierra. However, it's always recommended to back up your data beforehand, as upgrading might lead to unforeseen issues.

2. What are the system requirements for macOS High Sierra?

macOS High Sierra requires a Mac released in 2011 or later. Check Apple's official website for a complete list of compatible models.

3. Can I downgrade from macOS High Sierra to macOS Sierra?

Downgrading to macOS Sierra after installing High Sierra is possible, but it's not as simple as upgrading. You'll need to reinstall Sierra from a bootable USB drive.

4. What are the benefits of a clean install compared to an upgrade?

A clean install erases your hard drive and installs macOS High Sierra from scratch, providing a fresh start and potentially resolving issues related to your existing macOS installation.

5. What are the key features of macOS High Sierra?

macOS High Sierra introduced a new file system called APFS, improved graphics capabilities, enhanced video and audio editing tools, and improved Safari browsing performance.