- The Windows 11 September 2025 Update (build 26100.6584, KB5065426) is officially rolling out for version 24H2 starting September 9, 2025, featuring new capabilities and security enhancements.
- Microsoft releases updates gradually, but you can expedite access to these features by installing the update and using the ViVeTool command
vivetool /enable /id:57048218in an elevated Command Prompt. - This process unlocks several enhancements, such as Recall improvements, Lock screen widgets, and AI actions in File Explorer, among others.
Updated September 9, 2025: The September 2025 Security Update for Windows 11 version 24H2 is launching today, allowing you to manually activate many new features. This guide provides a step-by-step approach to achieve that.
The upcoming September 2025 Security Update includes build 26100.6584 (KB5065426), bringing various new features along with essential security fixes. Due to Microsoft’s staged rollout process, not all users will receive the update simultaneously. If you desire early access, the ViveTool command-line utility, available from @PhantomOfEarth, can help unlock these new functionalities on your system.
Here’s how you can enable most of the enhancements included in the September 2025 Security Update for Windows 11.
How to Enable New Features in the September 2025 Update for Windows 11
To unlock the latest features and updates in Windows 11 (KB5065426), follow these steps:
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Visit the GitHub site.
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Download the ViveTool-vx.x.x.zip file for the September 2025 features.
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Double-click on the zip folder to open it using File Explorer.
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Select the Extract all option.
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Press the Extract button.
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Copy the folder path where ViveTool is located.
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Launch Start.
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Search for Command Prompt, right-click the top result, and choose Run as administrator.
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Change to the ViveTool directory by typing the following command and hitting Enter:
cd c:\folder\path\ViveTool-v0.x.xMake sure to modify the path to match the location of your ViveTool folder.
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Execute the following command to enable new features and press Enter:
vivetool /enable /id:57048218 -
Restart your computer to apply the changes.
Upon completing these steps, the command will activate the most significant features and enhancements introduced with build 26100.6584 for Windows 11 version 24H2.
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If you wish to reverse the changes, simply follow the same instructions, but use the command vivetool /disable /id:57048218 in the final step. Additionally, you can run the command vivetool /fullreset to revert all custom features enabled through the tool.
Installing the Windows 11 September 2025 Security Update
In case build 26100.6584 (KB5065426) is not yet on your system, follow these instructions:
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Access Settings.
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Select Windows Update.
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(Optional) Enable the “Get the latest updates as soon as they’re available” toggle switch.
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Click the “Check for updates” button.
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(Optional) If a preview update is available, click “Download and install”.
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Finally, click the Restart now button.
After these steps are complete, if an update is available, it will download and install on your Windows 11 system automatically.
For those wanting to access features prior to their release in the Stable Channel, enrolling your device in the Release Preview Channel is necessary. However, you may choose to wait until the update becomes available directly via the Stable Channel, usually released at the beginning of each month during Patch Tuesday.
Frequently Asked Questions about the September 2025 Update for Windows 11
To address any lingering questions about the September 2025 update, the following FAQs provide clarity on the new features and how to access them:
Will I activate all features by using the ViveTool command?
Not necessarily. Some features may not be available to all users, even after running the ViveTool commands, and others could be restricted by geographical location.
Why should I run the ViveTool command to access new features?
While it’s not mandatory to use the ViveTool, many users prefer to access enhancements promptly. Microsoft implements a gradual rollout strategy to mitigate issues, allowing rapid response if a problem arises.
What features are included in the September 2025 update for Windows 11?
This Patch Tuesday Update introduces various improvements and new features, such as:
- Recall: The Recall app now features a redesigned Home page and updated UI elements.
- Click to Do: This app now offers an interactive tutorial.
- Windows Search: Search results for images will now display in a grid format.
- Lock Screen: Customization options for Lock Screen widgets are now accessible to all users.
- Windows Hello: The authentication experience is enhanced with new visuals.
- Task Manager: Now provides standardized CPU metrics within the app.
Moreover, this update resolves several bugs and implements various changes to improve performance.
Update September 9, 2025: This content now reflects the latest information and has been revised for accuracy.
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