Microsoft has launched the KB5083631 non-compulsory cumulative replace for Home windows 11, which incorporates 34 modifications, equivalent to a brand new Xbox mode for Home windows PCs, enhanced safety and efficiency for batch information, and efficiency enhancements for launching startup apps.
KB5083631 is a preview replace that lets admins check Home windows bug fixes, enhancements, and new options, earlier than they’re usually accessible throughout subsequent month’s Patch Tuesday launch. Nevertheless, in contrast to cumulative updates, month-to-month non-compulsory updates don’t embrace safety fixes and solely roll out high quality enhancements.
With the April 2026 non-compulsory replace, Microsoft has improved the efficiency of launching apps listed underneath Settings > Apps > Startup when the system begins.
It additionally added a brand new Xbox mode for Home windows 11 PCs (e.g., laptops, desktops, and tablets), which offers a full‑display screen interface that places video games entrance and heart whereas minimizing background distractions. Customers can enter Xbox mode from the Xbox app, Recreation Bar settings, or through the use of the Home windows emblem key + F11 keyboard shortcut.
Moreover, this month’s preview replace introduces improved safety and efficiency for batch information and CMD scripts, a change that first rolled out in February to Home windows 11 Insiders within the Beta and Dev channels.
“Beginning with this launch, directors can allow a safer processing mode for batch information. This mode prevents batch information from altering throughout execution,” Microsoft defined.
You may set up KB5083631 by opening Home windows Settings, clicking on Home windows Replace, after which on ‘Verify for Updates.’ Nevertheless, since that is an non-compulsory replace, you will want to click on the ‘Obtain and set up’ hyperlink when you do not need to set up it manually from the Microsoft Replace Catalog.
​KB5083631 replace highlights
As soon as put in, this non-compulsory non-security replace will replace Home windows 11 24H2 and 25H2 gadgets to builds 26100.8328 and 26200.8328, respectively.
The April 2026 preview replace comes with dozens of different modifications, a number of the extra necessary ones highlighted under:
- Now you can expertise haptic suggestions on supported enter gadgets when performing sure actions, equivalent to aligning objects in PowerPoint, snapping, or resizing home windows. Haptic suggestions will be managed in Settings > Bluetooth & gadgets > Mouse, Touchpad, or Pen > Haptic indicators.
- [Secure Boot] With this replace, Home windows high quality updates embrace further high-confidence device-targeting information, rising the protection of gadgets eligible to obtain new Safe Boot certificates robotically. Gadgets obtain the brand new certificates solely after demonstrating ample profitable replace indicators, thereby sustaining a managed, phased rollout. For extra data, see Home windows Safe Boot certificates expiration and CA updates.
- [Authentication (Kerberos)] This replace improves Kerberos authentication for Distant Desktop periods that use Distant Credential Guard, addressing error 0xc000009a.
- [Windows Security] This replace improves occasion logging associated to CVE‑2024‑30098 by together with the identify of the affected software. This transformation makes it simpler to determine functions that depend on sensible card certificates and may have updates following current safety modifications.
- This replace removes a white flash that might seem when opening This PC or whereas resizing the Particulars pane in darkish mode.
- This replace improves the reliability of related explorer.exe processes so that they cease after File Explorer home windows are closed.
Microsoft additionally famous that up to date Safe Boot certificates are rolling out to exchange the unique 2011 certificates that may expire in late June 2026. In January, Microsoft first revealed plans to refresh expiring Safe Boot certificates on eligible Home windows 11 techniques, after warning admins in November to replace the safety certificates earlier than they expire.
It additionally added that some Home windows Server 2025 gadgets with “an unrecommended BitLocker Group Coverage configuration” will boot into BitLocker restoration and require customers to enter the BitLocker restoration key on the primary restart after deploying the KB5083631 replace.
Earlier this month, Microsoft additionally launched an out-of-band replace to repair the March 2026 KB5079391 preview replace, which was pulled as a result of 0x80073712 errors throughout set up.
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