Microsoft has officially released the optional preview update KB5089570 for Windows 11, bringing systems to OS Build 28000.2179. This is one of the most feature-packed preview updates Microsoft has released in recent months, introducing a redesigned gaming-focused Xbox Mode, major File Explorer upgrades, AI improvements for Copilot+ PCs, enhanced Bluetooth audio sharing, security changes, and several under-the-hood performance fixes.
The update is now rolling out through Windows Update as an optional preview release and gives users an early look at features expected to arrive in future stable cumulative updates.
According to Microsoft’s official changelog, KB5089570 focuses heavily on improving gaming, multitasking, accessibility, AI experiences, enterprise management, and overall system reliability.
Windows 11 Gets a New Xbox Mode
One of the biggest highlights of KB5089570 is the introduction of Xbox Mode for Windows 11 PCs.
This new mode transforms the Windows desktop into a controller-friendly gaming interface inspired by Xbox consoles. Microsoft designed the feature to make Windows gaming simpler and more immersive, especially for handheld gaming PCs and living-room setups.
When enabled, Xbox Mode prioritizes gaming performance by reducing background distractions and presenting a streamlined full-screen launcher optimized for controllers.
Users can launch Xbox Mode through:
- The Xbox app
- Xbox Game Bar settings
- Keyboard shortcut: Windows + F11
The feature includes:
- Simplified full-screen game navigation
- Better controller-focused UI
- Faster access to recently played games
- Reduced desktop clutter
- Improved gaming immersion
Microsoft appears to be laying the groundwork for future Xbox-integrated Windows gaming devices and handheld PCs.
Shared Audio Lets Two Bluetooth Devices Listen Simultaneously
Another major feature arriving with KB5089570 is Shared Audio support using Bluetooth LE Audio broadcast technology.
This feature allows two compatible Bluetooth audio devices to listen to the same Windows audio stream at the same time. Previously, users often needed third-party apps or audio splitters to achieve this functionality.
Potential use cases include:
- Watching movies together
- Shared music listening
- Collaborative work environments
- Gaming with dual audio devices
- Classroom or presentation scenarios
The feature works with supported Bluetooth LE Audio hardware and represents one of the first major Windows implementations of modern Bluetooth broadcast audio technology.
File Explorer Receives Major Improvements
Microsoft continues refining File Explorer with several meaningful upgrades in KB5089570.
New Archive Format Support
File Explorer now supports additional compressed and archive file formats including:
- uu
- cpio
- xar
- NuGet packages
This improves compatibility for developers and power users who regularly work with different package types.
Better Stability and Performance
Microsoft also addressed multiple File Explorer issues including:
- White flashing problems in Dark Mode
- Explorer.exe crashes
- Slow navigation issues
- Problems preserving View and Sort preferences
Users should notice smoother navigation and improved overall responsiveness after installing the update.
AI Features Expand for Copilot+ PCs
Microsoft is continuing its aggressive AI push across Windows 11 with several new AI-related additions in KB5089570.
Agents on Taskbar
A new “Agents on Taskbar” experience allows users to monitor AI-driven activities directly from the taskbar.
The first implementation integrates with the Researcher feature inside the Microsoft 365 Copilot app. Microsoft says additional AI-powered agents may arrive in future updates.
Updated AI Components
Copilot+ PCs also receive updates to:
- Image Search
- Semantic Analysis
- Content Extraction
- Settings Model
These updated AI models aim to improve on-device intelligence, faster search experiences, and contextual understanding within Windows.
FAT32 Limit Increased to 2TB
One surprisingly significant technical improvement in KB5089570 is Microsoft increasing the FAT32 formatting limit from 32GB to 2TB.
For years, Windows artificially limited FAT32 formatting to 32GB despite the filesystem supporting much larger volumes. With this update, users can now create much larger FAT32 partitions directly through Windows tools.
This change is especially useful for:
- External drives
- USB flash drives
- Gaming consoles
- Media devices
- Compatibility-focused storage setups
Better Windows Hello and Login Reliability
Microsoft has also improved authentication reliability across Windows 11.
The update fixes several issues affecting:
- Windows Hello sign-in
- Biometric authentication
- PIN login reliability
- Resume from sleep authentication
- Enterprise credential handling
Users experiencing inconsistent login behavior may notice better stability after installing KB5089570.
Security and Enterprise Enhancements
KB5089570 includes several important security and enterprise-focused changes.
Secure Boot Improvements
Microsoft updated Secure Boot certificate targeting to improve platform security and hardware trust validation.
Driver Trust Policy Updates
The update introduces new driver trust protections to help reduce risks associated with unsigned or vulnerable drivers.
Better Protection for Batch Files
Windows now includes stronger protections around batch file execution to help defend against malicious scripting attacks.
Improved Enterprise Management
IT administrators gain additional controls through:
- Windows Backup for Organizations
- Enterprise State Roaming policies
- New Microsoft Store app removal controls
- Improved device configuration management
These additions give organizations more flexibility when managing large Windows deployments.
Additional Changes and Fixes
Microsoft also included many smaller but important improvements in KB5089570, including:
- Better startup app performance
- Reduced Microsoft Store installation failures
- Improved taskbar reliability
- Better monitor color profile persistence
- Haptic feedback support for compatible pens
- Improved system tray stability
- Better multi-monitor handling
- Reliability improvements across Windows shell components
Known Issues
Microsoft has acknowledged that some users may still encounter issues with:
- Certain third-party audio drivers
- Older enterprise VPN configurations
- Some legacy applications using deprecated APIs
The company says additional fixes are planned for future cumulative updates.
How to Download and Install KB5089570
Since KB5089570 is an optional preview update, it will not install automatically for most users.
Install Through Windows Update
To manually install the update:
- Open Settings
- Go to Windows Update
- Click Check for updates
- Look for:
2026-05 Cumulative Update Preview for Windows 11 (KB5089570) - Click Download & Install
- Restart your PC when prompted
Download From Microsoft Update Catalog
Advanced users and IT administrators can also manually download the standalone installer from the Microsoft Update Catalog.
The catalog includes:
- x64-based systems
- ARM64 systems
- Enterprise deployment packages
Users should ensure they download the correct version matching their Windows architecture.
You can download and manually install Windows 11 update KB5089570 by clicking here. If you need help in understanding how to install these updates manually on your PC, you can refer to our step-by-step noob-friendly tutorial.
Should You Install KB5089570?
Because KB5089570 is a preview update, it is primarily intended for enthusiasts, testers, and users who want early access to upcoming features.
If you:
- Want Xbox Mode early
- Need File Explorer fixes
- Use Copilot+ AI features
- Want Shared Audio support
- Enjoy testing new Windows features
…then the update may be worth installing.
However, users who prioritize maximum stability may prefer waiting until these features arrive in the next mandatory Patch Tuesday cumulative update.
Final Thoughts
Windows 11 KB5089570 is a surprisingly large preview release that touches nearly every major part of the operating system. From gaming-focused Xbox Mode and Bluetooth Shared Audio to File Explorer improvements and expanded AI integrations, Microsoft is clearly pushing Windows 11 toward a more modern, AI-powered, and gaming-centric future.
The update also delivers several meaningful quality-of-life improvements, particularly for File Explorer reliability, FAT32 formatting, Windows Hello stability, and enterprise management.
As Microsoft continues evolving Windows 11 ahead of next-generation AI PCs and gaming hardware, KB5089570 offers an early look at where the platform is heading next.
Stay tuned to WinCentral for all latest news about Windows 11 and keep reading our full coverage here.
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