iMac: Which macOS update should I choose?

I have an iMac 4 running Sequoia 15.6.1. I have two update options: Sequoia 15.7.3 or Tahoe 26? (not sure what the latest release is). Which should I update to?

iMac 24″, macOS 15.6

Posted on Jan 17, 2026 9:17 AM

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iMac: Which macOS update should I choose?

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