Windows 11 25H2 arrives as enablement package with Copilot updates

Microsoft began rolling out Windows 11 version 25H2 on September 30, 2025, delivering the update as a small enablement package that activates features already present in last year’s 24H2 branch. Microsoft said the update will reach eligible devices in waves, and users who have enabled the Get the latest updates as soon as they are available setting in Windows Update may receive it first.

Microsoft described version 25H2 as an enablement package, saying it “will be delivered as an enablement package eKB,” which activates functionality that shares a common code base and servicing branch with 24H2. For most devices already on 24H2 the upgrade requires only this small package rather than a full reinstall, reducing downtime and installation time. Devices running older releases such as 23H2 or Windows 10 must undergo a more extensive upgrade. Enterprises will be able to deploy the update via Windows Server Update Services starting October 14.

The release focuses on refinements, security and Copilot-led productivity improvements rather than an extensive set of surface changes. Highlights include Copilot enhancements such as Recall, Click to Do and expanded search capabilities, a...