Microsoft has launched preview cumulative replace KB5089573 for Home windows 11 variations 25H2 and 24H2. It contains 30 modifications together with efficiency and reliability enhancements.
The KB5089573 replace is a part of the corporate’s non-security preview schedule, designed to introduce new options and fixes on the finish of every month for IT directors and customers to check earlier than rolling them out to the final consumer base on Patch Tuesday subsequent month.
Nonetheless, in contrast to the common Patch Tuesday cumulative updates, month-to-month preview updates are optionally available and don’t embrace safety updates.
With the Could 2026 Elective Replace, Microsoft is steadily rolling out normal OS efficiency upgrades and a number of other reliability enhancements to Home windows Hey.
“This replace hastens app launches and core shell experiences such because the Begin menu, Search, and Motion Middle,” Microsoft stated in a assist doc on Tuesday.
“This replace improves sign-in conduct on the lock display screen and sign-in display screen. As soon as your Home windows Hey face or fingerprint is ready and accessible, it turns into your default sign-in methodology each time you register, even should you beforehand used one other methodology. If you happen to ought to use your Home windows PIN as an alternative and use it 3 times in a row, Home windows will proceed to make use of your PIN till you turn to a different sign-in methodology.”
Moreover, KB5089573 improves Home windows reliability in File Explorer, the sign-in and lock screens, when altering themes in Settings, and when utilizing contact gestures on touchscreen gadgets.
This preview replace additionally improves efficiency when resuming from fashionable standby and reduces the variety of sudden blocks throughout Home windows Hey Enhanced Signal-in Safety authentication.
You possibly can obtain this replace from the Microsoft Replace Catalog or set up it utilizing one of many following strategies: setting,click on Home windows updates, and choose “Verify for updates”. ”
Since that is an optionally available replace, you may be requested if you wish to set up it by clicking the “Obtain and Set up” hyperlink, until the “Get the newest updates as quickly as they’re accessible” possibility is enabled. As soon as enabled, the OS will immediate you to put in it routinely.
Highlights of Home windows 11 KB5089573
Putting in this optionally available non-security replace upgrades Home windows 11 25H2 and 24H2 gadgets to builds 26200.8524 and 26100.8524, respectively.
The Could 2026 preview replace brings additional enhancements, and a few of the extra vital ones are listed beneath.
- Audio sharing permits two individuals to hearken to the identical audio on one Home windows 11 PC on the identical time.
- This replace improves the show of CPU velocity in a VM’s Job Supervisor (Efficiency) web page and now not shows increased than anticipated numbers after resuming from hibernation.
- (sensor) This replace improves resiliency towards apps that maintain the sensor hub powered on, draining energy and probably impacting battery life.
- (Human Interface Machine (HID)) This replace improves HID and enter stack battery life for failed HID gadgets. Energy hygiene has additionally been improved for functions that will provoke HID transfers throughout standby.
- This replace provides dependable system focusing on knowledge to Home windows High quality Updates to broaden the vary of gadgets that may routinely obtain new Safe Boot certificates. Units obtain new certificates solely after a profitable replace sign has been sufficiently demonstrated and a managed, gradual rollout has been maintained.
Microsoft additionally notified customers that up to date Safe Boot certificates will likely be deployed to interchange the unique 2011 certificates that may expire in late June.
Microsoft first revealed its plans to resume expired Safe Boot certificates on eligible Home windows 11 techniques in January, after warning customers and IT directors in November 2025 to resume safety certificates earlier than they expire.
Over the weekend, Microsoft additionally recognized a recognized subject affecting Home windows Server 2016 techniques that causes area controller search errors after putting in Could 2026 safety replace KB5087537.
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