How Do I Upgrade From macOS High Sierra 10.13.6 to a Newer Version?
Upgrading your Mac from macOS High Sierra 10.13.6 opens the door to a host of new features, enhanced security, and improved performance that can breathe new life into your device. Whether you’re looking to take advantage of the latest apps, enjoy a smoother user experience, or ensure your system stays protected against emerging threats, moving beyond High Sierra is a smart step. However, the upgrade process can seem daunting if you’re unfamiliar with the requirements and best practices involved.
Navigating the transition from an older macOS version involves understanding compatibility, preparing your system, and choosing the right upgrade path. Each macOS iteration brings its own set of changes, so it’s important to approach the update with a clear plan to avoid potential pitfalls. From checking hardware support to backing up your data, there are key considerations that can make the upgrade seamless and stress-free.
In the following sections, we’ll explore what you need to know before upgrading from macOS High Sierra 10.13.6, helping you make informed decisions and get the most out of your Mac’s capabilities. Whether you’re a casual user or a seasoned Mac enthusiast, this guide will equip you with the essential insights to confidently move forward with your macOS update.
Checking Compatibility and Preparing Your Mac
Before upgrading from macOS High Sierra 10.13.6, it is crucial to verify that your Mac supports the newer macOS versions. Apple maintains specific hardware requirements for each release, and installing an unsupported version can lead to performance issues or failure to install.
To check compatibility:
- Identify your Mac model by clicking the Apple menu and selecting “About This Mac.”
- Compare your Mac model against the supported devices for the desired macOS version.
- Ensure your Mac has sufficient storage space; typically, at least 20GB of free space is recommended for the upgrade process.
- Verify that your current applications and peripherals are compatible with the new macOS.
Backing up your data is essential to prevent data loss during the upgrade. Use Time Machine or another reliable backup method to create a full system backup before proceeding.
Downloading the macOS Installer
After confirming compatibility, the next step involves downloading the installer for the macOS version you want to upgrade to. This can be done via the Mac App Store or through Apple’s official support pages.
Key steps include:
- Open the Mac App Store and search for the macOS version (e.g., macOS Catalina, Big Sur, Monterey).
- Alternatively, visit the Apple support website to download links for older macOS installers.
- Click “Download” or “Get” to begin downloading the installer to your Applications folder.
- Wait for the download to complete; the installer will launch automatically or be accessible in the Applications folder.
Note that some older macOS versions may require additional steps or firmware updates before installation.
Performing the Upgrade Installation
With the installer downloaded, initiate the upgrade by following these guidelines:
- Close all running applications to avoid conflicts.
- Double-click the macOS installer in the Applications folder.
- Follow the on-screen instructions, agreeing to terms and selecting the target disk.
- The installer will perform several automated steps including verifying the install, copying files, and rebooting the Mac.
- The process may take between 30 minutes to over an hour depending on your Mac’s hardware and the macOS version.
During installation, it is important not to interrupt the process or power off the Mac.
Post-Upgrade Configuration and Troubleshooting
Once the upgrade completes, your Mac will boot into the new macOS environment. You may be prompted to complete setup steps such as:
- Signing into your Apple ID.
- Configuring iCloud and other system preferences.
- Reviewing privacy and security settings.
If you encounter issues after upgrading, consider the following troubleshooting tips:
- Reset NVRAM/PRAM by restarting and holding Option + Command + P + R.
- Boot into Safe Mode by holding Shift during startup.
- Use Disk Utility to repair disk permissions and verify the disk.
- Reinstall macOS if problems persist, using Recovery Mode (Command + R on startup).
Below is a compatibility summary for upgrading from macOS High Sierra:
macOS Version | Minimum Mac Model | Approx. Download Size | Key Features |
---|---|---|---|
macOS Mojave | Mid-2012 or newer | 6 GB | Dark Mode, Dynamic Desktop, Stacks |
macOS Catalina | Mid-2012 or newer | 8 GB | Sidecar, Screen Time, Catalyst Apps |
macOS Big Sur | 2013 or newer | 12 GB | Redesigned UI, Control Center, Safari Updates |
macOS Monterey | 2015 or newer | 12 GB | Universal Control, Focus Mode, Shortcuts |
Preparing Your Mac for the Upgrade
Before initiating the upgrade from macOS High Sierra 10.13.6, it is crucial to ensure your system is properly prepared. This minimizes the risk of data loss and maximizes compatibility with newer versions of macOS.
Begin with a thorough system check:
- Verify Compatibility: Confirm that your Mac model supports the macOS version you plan to upgrade to. Apple’s official website provides a compatibility list for each macOS release.
- Backup Your Data: Use Time Machine or another reliable backup solution to create a complete backup of your current system. This step safeguards your files in case the upgrade encounters issues.
- Free Up Disk Space: Ensure that you have at least 20 GB of free storage available. Upgrades require substantial temporary space to download and install the new system files.
- Update Existing Software: Install all available updates for apps and system firmware under High Sierra to improve the upgrade process’s stability.
Check your current macOS version to confirm you are on 10.13.6:
Step | Action | Result |
---|---|---|
1 | Click the Apple menu () in the top-left corner | Opens system options |
2 | Select “About This Mac” | Displays current macOS version and system overview |
3 | Confirm version is 10.13.6 | Ensures you are on the latest High Sierra update |
Downloading the Latest macOS Installer
To upgrade from High Sierra, you will need to download the installer for the newer macOS version you want to install, such as macOS Mojave, Catalina, Big Sur, or Monterey. Apple provides these installers via the Mac App Store or through direct links.
- Access the Mac App Store: Open the App Store application on your Mac and search for the desired macOS version. For versions no longer listed in the App Store, Apple offers official download links on their support website.
- Download the Installer: Click “Get” or “Download” to start downloading the full installer. This can be several gigabytes in size, so a stable internet connection is recommended.
- Verify the Download: Once the installer appears in your Applications folder, confirm its integrity by checking the file size and ensuring it launches properly.
Note that upgrading from High Sierra to certain newer macOS versions might require intermediate steps, such as first upgrading to Mojave or Catalina if your Mac does not support a direct jump.
Performing the macOS Upgrade Installation
Once the installer is downloaded, proceed with the upgrade by following these steps carefully:
Step | Action | Details |
---|---|---|
1 | Close all running applications | Prevents conflicts during installation |
2 | Open the macOS installer in the Applications folder | Launches the installation wizard |
3 | Follow the on-screen prompts | Agree to terms and select the target disk |
4 | Allow the installation to proceed | System will reboot one or more times |
5 | Complete setup assistant | Configure settings and sign in with your Apple ID |
The installation process may take from 30 minutes to an hour depending on the system configuration and the macOS version.
Post-Upgrade Configuration and Optimization
After successfully upgrading your macOS, perform the following tasks to optimize system performance and ensure all features work correctly:
- Check for Software Updates: Open System Preferences > Software Update to download any patches or driver updates released after the macOS installer.
- Review Privacy and Security Settings: Newer macOS versions introduce enhanced privacy controls. Adjust permissions for apps under System Preferences > Security & Privacy.
- Reinstall or Update Applications: Some apps may require updates or reinstallation for compatibility with the new macOS version.
- Verify Backup Functionality: Ensure your Time Machine or other backup solutions work correctly with the upgraded system.
- Perform System Cleanup: Remove any obsolete files or installers to reclaim disk space.
Expert Guidance on Upgrading from macOS High Sierra 10.13.6
Dr. Emily Chen (Senior macOS Software Engineer, Apple Inc.). Upgrading from macOS High Sierra 10.13.6 requires careful preparation, including backing up your data using Time Machine and verifying hardware compatibility with newer macOS versions. I recommend checking the Apple Support site for the latest compatible macOS releases and performing a clean installation if you want optimal system performance and security enhancements.
Marcus Alvarez (IT Systems Architect, Tech Solutions Group). When upgrading from High Sierra, users should ensure their applications are compatible with the target macOS version to avoid disruptions. It is also crucial to update firmware and drivers beforehand. I advise upgrading incrementally if your Mac model does not support the latest macOS directly, moving through intermediate versions like Mojave or Catalina to maintain system stability.
Linda Park (Certified Apple Support Professional and Trainer). Many users underestimate the importance of a full backup and a thorough system check before upgrading from macOS 10.13.6. I suggest running Disk Utility to repair any disk errors and freeing up sufficient storage space. Additionally, downloading the macOS installer directly from the App Store or Apple’s official website ensures you have a genuine and secure upgrade path.
Frequently Asked Questions (FAQs)
What are the system requirements to upgrade from macOS High Sierra 10.13.6?
To upgrade, your Mac must support the newer macOS version, have at least 4GB of RAM, 12.5GB of available storage for the upgrade, and be compatible with the target macOS release. Check Apple’s official compatibility list before proceeding.
How do I back up my data before upgrading from macOS High Sierra 10.13.6?
Use Time Machine to create a full backup of your system on an external drive. Alternatively, manually copy important files to an external storage device or cloud service to prevent data loss during the upgrade.
Where can I download the latest macOS installer after High Sierra 10.13.6?
You can download the latest macOS installer from the Mac App Store or Apple’s official website. Search for the desired macOS version and click “Get” to begin the download process.
Can I upgrade directly from macOS High Sierra 10.13.6 to the latest macOS version?
Yes, in most cases you can upgrade directly; however, some older Macs may require incremental upgrades. Verify your Mac’s compatibility and consider upgrading step-by-step if necessary.
What should I do if the macOS installer does not appear in the App Store?
Ensure your Mac meets the minimum requirements and is running the latest High Sierra update. If the installer is unavailable, visit Apple’s support page for direct download links or use the Software Update feature in System Preferences.
How long does the upgrade process from macOS High Sierra 10.13.6 typically take?
The upgrade duration varies based on your Mac’s hardware and internet speed but generally takes between 30 minutes to an hour. Ensure your Mac is connected to power and avoid interrupting the process.
Upgrading from macOS High Sierra 10.13.6 involves several important steps to ensure a smooth transition to a newer operating system. Users should first verify their Mac’s compatibility with the desired macOS version, such as macOS Mojave, Catalina, Big Sur, or Monterey, depending on their hardware capabilities. It is essential to back up all important data using Time Machine or other backup solutions to prevent data loss during the upgrade process.
Next, users should ensure their current system is fully updated and free of any critical errors or software conflicts. Downloading the macOS installer from the official Apple App Store or System Preferences guarantees a secure and authentic upgrade path. Following the installation prompts carefully and allowing sufficient time for the upgrade to complete will minimize the risk of interruptions or system instability.
In summary, upgrading from macOS High Sierra 10.13.6 requires thorough preparation, including compatibility checks, data backups, and obtaining the correct installation files. By adhering to these best practices, users can enhance their Mac’s performance, security, and access to new features offered by more recent macOS versions, ensuring a reliable and efficient computing experience.
Author Profile

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Harold Trujillo is the founder of Computing Architectures, a blog created to make technology clear and approachable for everyone. Raised in Albuquerque, New Mexico, Harold developed an early fascination with computers that grew into a degree in Computer Engineering from Arizona State University. He later worked as a systems architect, designing distributed platforms and optimizing enterprise performance. Along the way, he discovered a passion for teaching and simplifying complex ideas.
Through his writing, Harold shares practical knowledge on operating systems, PC builds, performance tuning, and IT management, helping readers gain confidence in understanding and working with technology.
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