To update macOS Big Sur to version 11.7.11 (build 20G1443), which is the latest and final version of Big Sur (released February 2, 2026), follow these steps. Note that this is a very minor point release Apple made years after officially ending support for Big Sur in 2023. It mainly extends certificates so features like iMessage, FaceTime, and device activation keep working past January 2027 — there are no new security fixes beyond that.
Standard Update Method (Recommended)
- Back up your Mac first Use Time Machine or another backup method. Software updates are usually safe, but it’s always smart to have a current backup.
- Open Software Update
- Click the Apple menu () in the top-left corner of your screen.
- Select System Preferences (on Big Sur this is still the name — not System Settings yet).
- Click Software Update.
- Check for updates Your Mac will automatically check for available updates. If macOS Big Sur 11.7.11 is available for your Mac, it will appear as an update (not an upgrade). Click Update Now (or Restart Now if prompted).
- Download and install
- The update is small (~ a few hundred MB).
- Your Mac will download it, then restart and install automatically.
- Keep your Mac plugged in and connected to Wi-Fi during the process.
- After installation, go back to About This Mac (Apple menu → About This Mac) to confirm you’re now on Version 11.7.11.
If the update doesn’t appear in Software Update
- Make sure your Mac is compatible with Big Sur at all (2013 and later models for most lines; check Apple’s compatibility list if unsure).
- Try restarting your Mac and checking again.
- If still nothing shows:
- Go to Apple’s support downloads page: https://support.apple.com/en-us/102662
- Look for the full macOS Big Sur installer (the App Store version sometimes gets refreshed). Download it directly if needed, then run the installer from your Applications folder.
- Very rarely, a network issue or region setting can delay visibility — try a different Wi-Fi network or wait a day.
Important Notes (February 2026 context)
- 11.7.11 is now the newest Big Sur version — nothing higher exists for Big Sur.
- Big Sur is no longer receiving regular security updates (support ended ~2023), so even with 11.7.11, your Mac is considered legacy and vulnerable to new threats discovered after mid-2023.
- If your Mac can run a newer macOS (Monterey, Ventura, Sonoma, Sequoia, etc.), strongly consider upgrading for security. Check compatibility via Apple menu → About This Mac → Software Update (it will offer an upgrade if supported).
- For very old Macs stuck on Big Sur, tools like OpenCore Legacy Patcher exist to force newer macOS versions (but that’s unofficial and has risks).
Here is a link to the video of the update