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How to Install / Upgrade: macOS 26.6 RC now available, here’s what’s coming

By Dillip Chowdary • Jul 21, 2026 • Source: 9to5Mac

Apple is rolling out the first developer and public release candidates for macOS 26.6 ahead of the system's official release. According to 9to5Mac, this release candidate build introduces what is new for macOS 26.6 before the final version becomes available.

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To install or upgrade, locate the macOS 26.6 first developer or public release candidate build as Apple rolls it out. Select and proceed with the macOS 26.6 release candidate update designated for developer or public testing ahead of the official system release.

Verify the installation by confirming that your device is running the macOS 26.6 first developer or public release candidate version. Keep in mind that this build is a release candidate made available prior to the official release of macOS 26.6.

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