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8man8man Author

Level 1

4 points

Let’s Encrypt root certificate expiration

I’ve got an old 2011 Mac book pro running os 10.11. Now many websites give me a privacy error due to the root certificate expiration. Not sure if I can update to os 10.12 or later to fix or not. Having trouble finding that in the App Store. Thoughts?

MacBook Pro 13″, OS X 10.11

Posted on Oct 25, 2021 2:03 PM

Top-ranking reply

Niel

Level 10

732,419 points

Posted on Oct 25, 2021 2:09 PM

Back up your data, check your applications for compatibility, and click on High Sierra.

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Let’s Encrypt root certificate expiration

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