- Optional update KB5064081 for Windows 11 24H2 (build 26100.5074), released on August 29, approximately 3,8 GB in size.
- Task Manager adopts standardized CPU metrics; option to return to the previous view with the "CPU Utility" column.
- New features: Recall home, customizable lock screen widgets, Windows Hello interface, grid view search and status, improvements to Explorer and Widgets.
- Includes SSU KB5064531, dozens of fixes, and a known issue with NDI; guidance on installing from Windows Update.
The new KB5064081 is now available as an optional upgrade for Windows 11 in its version 24H2. This is a large package that upgrades the system to the latest build. 26100.5074, arrives without security patches and takes up about 3,8 GBa progressive deployment starting on August 29.
Key new features of KB5064081
La function Recall (Recover) launches a personalized home page which highlights recent activity, Snapshots, and the apps and websites you use most, with a sidebar for quickly jumping between Home, Timeline, Comments, and Settings. Plus, Click to Do includes an interactive tutorial to learn actions like summarizing text or removing backgrounds from images. accessible from More options > Start tutorial.
La lock screen expands widget customization options (Weather, Sports, Traffic, Watchlist and more) for all regions, with the ability to add, remove, reorder, and adjust the size. Settings are centralized in Settings > Personalization > Lock Screen.
Windows Hello receives a redesigned interface, consistent and more direct across different authentication flows (login, passkeys, Recall or Microsoft Store). Switching between face, passcodes, and connected devices is now more seamless., and the start with a track after the suspension gains in robustness.
The taskbar and search are also evolving: The big clock with seconds returns to the Notification Center (activatable in Time & language > Date & time), and Search debuts grid view and new status indicators, showing whether the results are still being indexed or if a file is in the cloud or locally.
Additional changes, corrections and notices
In Settings, the activation and expiration prompts are Windows 11-style, and A section appears in Privacy and security > Text and image generation to review which applications have recently used generative AI models and block their access if you prefer. The Configuration Agent (within the Copilot+ experience) helps you find and change settings, available on Copilot+ PCs with Snapdragon, AMD, and Intel when the primary display language is English.
El File Browser Adds separators to the context menu to clarify top-level actions, and with work or school accounts (Enter ID), displays person cards in Recommended and the Activity column. Also fixed an issue where unlocking files from Properties would still mark them as blocked.
The Widgets incorporate multiple panels to better organize content and a revamped Discover feed, with stories curated by Copilot and a cleaner, more organized design. customizable from Widgets > Discover > Personalization SettingsThe goal is to provide more context at a glance with summaries, videos, and images.
Windows Backup for Organizations reaches general availability and enables smoother device transitions, saving system apps, settings and preferences for easy restore in PCs connected to Entra IDIt's a boost to business continuity and teleworking.
Another notable change is the withdrawal of Windows PowerShell 2.0 from Windows 11 24H2 starting August 2025, a legacy component and obsolete since 2017If you rely on older scripts, you may want to upgrade to PowerShell 5.1 or 7.x to avoid incompatibilities.
The update also includes the SSU KB5064531 (service stack update), a technical requirement that improves the reliability of the installation process and the application of future patches.
Bugs resolved in patch KB5064081
In the errors section, incidents affecting the Login, audio, connectivity, and app compatibility, among others. Here's a rundown of the most significant fixes:
- Cases of Blank screen or “Just a moment” message for minutes when logging in.
- Miracast: Audio could stop after a few seconds when streaming to a TV.
- Audio service that stopped responding in some scenarios.
- Windows Hello: : occasional failures in facial recognition (requesting PIN) and improvement of the fingerprint after suspension.
- Blocks related to dbgcore.dll y textinputframework.dll affecting applications such as explorer.exe, Sticky Notes or Notepad.
- Kerberos: hangs when accessing cloud shared resources.
- Entry: corrections in the Simplified Chinese IME and on the touch keyboard with Microsoft Changjie, Bopomofo and Japanese.
- ARM64: slower app installations than expected.
- Refs: Backups with large files that could exhaust memory.
- Crypto Provider (Pluton): Fixed event 57 in Event Viewer.
There is also a known issue Under investigation: Possible audio/video degradation when using NDI after the August updates. As a temporary solution, it is recommended to switch to TCP / UDP instead of RUDP.
For IT teams, Microsoft reminds the Secure Boot certificate expiration starting in June 2026. It is advisable to plan ahead for updating certificates to avoid startup issues.
If you want to install KB5064081, open Settings > Windows Update and tap Check for updates. Being optional, Windows will ask you for confirmation before downloading it (not installed automatically). Note the package size (3,8 GB) and consider making a prior backup, especially if you rely on NDI streams. Also, check if you have the automatic updates disabled.
This "C release" lays the groundwork for the upcoming Patch Tuesday, bringing AI improvements, more precise CPU management, and tweaks to privacy, search, widgets, and authentication.. With a good handful of fixes and the integrated SSU, KB5064081 is a Significant push for Windows 11 24H2 without touching the security plane.
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