Announcing Windows 11 Insider Preview Build 26220.7859 (Beta Channel)

Announcing Windows 11 Insider Preview Build 26220.7859 (Beta Channel)

By Windows Insider Program Team
Publication Date: 2026-02-17 22:04:00

Hello Windows Insiders, today we are releasing Windows 11 Insider Preview Build 26220.7859 (KB5077223) to the Beta Channel.

Changes in Beta Channel builds and updates are documented in two buckets: new features, and improvements (including notable fixes) that are being gradually rolled out for Insiders who have turned on the toggle to get the latest updates as they are available (via Settings > Windows Update*) and then new features, and improvements (including notable fixes) rolling out to everyone in the Beta Channel. For more information, see the Reminders section at the bottom of this blog post.

New features gradually being rolled out with toggle on*

[Account Settings]

Microsoft 365 Family subscribers will find an option to upgrade to a different 365 plan on the Accounts page within the Settings app. Users can also remove the upgrade option by turning off suggested content in settings.

New upgrade prompt on the Accounts page

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