Chrome Stops Support for macOS 11: What Big Sur Users Must Know

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Chrome Stops Support for macOS 11: What Big Sur Users Must Know


If you’re still using macOS Big Sur and rely on Google Chrome, it’s time to pay attention. Google has officially announced that Chrome 138 will be the last version to support macOS 11. Starting with Chrome 139, which is scheduled to launch on July 30, 2025, users must upgrade to macOS 12 Monterey or newer to continue receiving updates.

This change may affect thousands of Mac users who haven’t yet updated their operating system. In this article, we’ll explain everything you need to know: what this means, why it's happening, and your options moving forward.

Why Google is Ending Support for macOS 11

According to Google’s Chrome Platform Status page, the reason is simple: Apple has already ended support for macOS 11. This means Big Sur is no longer receiving important security and compatibility updates from Apple. Since Chrome is one of the most used browsers worldwide, it must operate in secure environments to ensure user safety.

Here’s what Google said:

“Chrome 138 will be the last release to support macOS 11; Chrome 139+ will no longer support macOS 11, which is outside of its support window with Apple. Running on a supported operating system is essential to maintaining security.”

In short, it's not just about features — it's about keeping users safe from online threats.

What Happens If You Keep Using Chrome on macOS 11?

Let’s say you don’t update your Mac. What happens?

  • Chrome will still run: Yes, the browser will still work after version 138.

  • You’ll see a warning: Google will display a message saying your version of macOS is unsupported.

  • No more updates: You won’t receive future features or security patches. That’s risky.

  • No new installations: If you try to install Chrome 139 or later on a Big Sur device, it simply won’t install.

So while you can keep using it, you’ll be stuck on an outdated and potentially unsafe version.

What You Can Do About It

1. Update to macOS 12 or Later

The best option is to update your Mac to macOS 12 Monterey or newer. Here’s how:

  • Click the Apple Menu.

  • Go to System Settings > General > Software Update.

  • If your device supports it, you’ll see the option to update.

  • Follow the steps and restart your device after installation.

Apple usually supports Macs for about 7 years. If your Mac is from 2015 or later, you might be eligible to update. For more information, visit Apple’s official macOS compatibility page:
https://support.apple.com/en-us/HT211238

2. Use a Different Browser (For Now)

If your Mac is too old to run Monterey or Ventura, you can switch to another browser. Here are a few that still support macOS 11 (as of mid-2025):

Keep in mind, these browsers may also drop support for macOS 11 soon.

3. Consider a Lightweight Linux OS

For very old Macs stuck on Big Sur, you might explore Linux-based operating systems like:

  • Ubuntu

  • Linux Mint

  • Zorin OS

These can breathe new life into older Macs and continue to receive updates. But this option is only for tech-savvy users who are comfortable wiping their Mac and doing a full OS installation.

Learn more about Linux alternatives at https://distrowatch.com

Why Staying Updated Matters

The internet is constantly evolving. Websites use new technology, and so do hackers. An old browser with no updates is an open door to problems like:

  • Phishing attacks

  • Malware downloads

  • Data leaks

  • Crashing websites or broken pages

Even if Chrome works for now, it won't for long. Eventually, websites will stop supporting your version of Chrome. You could lose access to banking sites, streaming platforms, or your work tools.

Will Chrome Notify Me Before It Stops Updating?

Yes. If you’re on macOS 11 and using Chrome 138, you’ll see a warning message in the browser:

“Your operating system is no longer supported. Please update to keep Chrome secure.”

This message will appear regularly until you upgrade your OS or stop using Chrome.

Should You Panic?

No. But you should act soon. Google’s approach is fairly generous — they don’t instantly block your browser. But you're on borrowed time. You’re no longer secure, and you’re missing out on new features like:

  • Smarter tab grouping

  • Better battery optimization on MacBooks

  • Improved autofill and password management

  • New AI-powered browsing tools

Final Thoughts

Chrome drops support for macOS 11 starting with version 139 on July 30, 2025. If you’re still using Big Sur, you have two main options: update your macOS or switch to another browser.

Google’s decision isn’t unusual. Most tech companies drop older systems to keep moving forward and ensure the best security for users.

If your Mac supports macOS 12 or newer, now is the perfect time to update. If not, consider your next steps carefully—your browsing safety and performance depend on it.

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