TL;DR
To download and install older versions of macOS:
- Check compatibility, back up data, and create a recovery disk.
- Find installers from official or trusted sources.
- Download the macOS installer.
- Install macOS with the downloaded file.
- Restore data and adjust settings post-installation.
Tried and Tested ✅: The methods and steps mentioned in this article have been tried and tested firsthand by Ojash Yadav on his MacBook Pro M3 and rechecked for errors on Hashir’s MacBook Air M2.
When I updated my Mac, everything fell apart—apps crashed, and my workflow stopped. I had to find a fix, so I dug in and figured out how to install an older macOS version. Here’s how you can do it too.
While you may have valid reasons to download and install older versions of macOS, you must consider the potential security implications. Most older macOS versions don’t receive the latest security patches and updates, making your system more vulnerable to threats.
How to Download and Install Older Versions of macOS
Why You Can Trust MacBook Journal We always conduct first-hand research and verify every method or solution we present, ensuring you receive reliable and effective advice. Learn more about our process.
Below, I have shared detailed steps to download and install older versions of macOS:
Step 1: Prepare Before Downgrading
Before you download and install older versions of macOS, certain preparatory steps are essential to ensure a smooth and successful installation process:
- Check Your Mac’s Compatibility: Ensure your Mac supports the desired macOS version by checking Apple’s compatibility lists.
- Backup Your Data: Back up all important files using Time Machine or another method before making changes.
- Create a Recovery Disk: Create a recovery disk on an external drive to handle potential installation issues.
Warning: ⚠️ Downgrading to an older macOS version may expose your system to security vulnerabilities, as Apple no longer provides security updates for outdated versions.
Step 2: Where to Find Older macOS Versions
Once you’ve checked compatibility, the next step is locating the installer for the version you need. Here’s how to find older macOS versions:
1. Official Sources
The safest way to download older macOS versions is through Apple’s App Store or support website. To save you time, here are the direct download links to the most recent macOS versions:
- Download macOS 13: Ventura (June 6, 2022)
- Download macOS 12: Monterey (June 7, 2021)
- Download macOS 11: Big Sur (November 12, 2020)
- Download macOS 10.15: Catalina (October 7, 2019)
- Download macOS 10.14: Mojave (September 24, 2018)
- Download macOS 10.13: High Sierra (September 25, 2017)
- Download macOS 10.12: Sierra (September 20, 2016)
- Download OS X 10.11: El Capitan (September 30, 2015)
- Download OS X 10.10: Yosemite (October 16, 2014)
If you want to get a macOS version older than these, you’ll have to seek alternative sources.
2. Unofficial Sources
If you can’t find the version you need on Apple’s platforms, you can look for it on unofficial yet trustworthy sources. Here are some unofficial sources you may consider:
- 🌐 Torrent websites: Some torrent sites offer older macOS versions, but they come with risks. Use only reputable sites and verify file authenticity.
- 💬 Online forums and communities: macOS forums sometimes share older versions. Only download from trusted sources within these communities.
- 💻 Third-party repositories: Sites like Macintosh Garden and Macintosh Repository archive older macOS versions. Check file integrity before downloading.
- 👥 Local Mac user groups: Members of local Mac groups may have older versions and can share or guide you on finding them.
Be cautious! Unofficial downloads may carry risks like malware or legal issues. Always verify the source.
Step 3: Download Older Versions of macOS
Here’s how to download older macOS versions using official sources:
- Open the App Store on your Mac.
- Click the search bar and type the name of the macOS version you want to download, and press Enter.
- You’ll get different results. Click the Download/Get button next to the macOS version.
- This will start downloading the installer file on your Mac.
If the version isn’t available officially, follow the steps specific to the unofficial platform you’re using.
Step 4: Install Older Versions of macOS
After downloading the macOS installer file, you have to install the OS to your Mac. Follow these steps to install the older macOS version:
- Ensure your Mac is plugged into a power source.
- Close all open applications.
- Find the downloaded macOS installer. It is usually in your Downloads folder.
- Double-click the installer file and follow the on-screen instructions to install it on your Mac.
Step 5: Post-Installation Considerations
After installing the older macOS version, set up your Mac as if it’s new:
- Restore your data from the backup.
- Reinstall apps as needed.
- Adjust system settings to your preferences.
Tip: Remember that older macOS versions don’t receive security updates, so be mindful of potential vulnerabilities.
Successfully Downgrade Your macOS Version
Downloading and installing an older macOS version can be useful for compatibility or preference reasons. However, it’s essential to consider the risks and take the necessary precautions when downgrading macOS. Here are some further tips for you:
- Booting into Recovery Mode can help diagnose startup issues, crashes, or unresponsive apps on your Mac.
- Reinstalling macOS might be a good option if you want to switch back to the latest version.
- Scanning your Mac for malware is a smart way to ensure security after downgrading macOS.