A new optional update for Windows 11 is here. It is known as KB5064080 and is available for devices running version 23H2 as of August 2025. This type of update is not mandatory. Your computer will not download or install it on its own. You must choose to install it if you want the new features or fixes it contains. This update brings one major new feature, especially for businesses, and fixes several existing problems.
Think of an optional update as an early look at the non-security fixes that will likely be included in next month’s mandatory “Patch Tuesday” update. Installing it can be a good idea if you are experiencing one of the specific issues it resolves. However, if your computer is running well, you might prefer to wait for the automatic update next month.
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A Powerful New Backup Tool for Organizations
The most significant addition in the KB5064080 update is the new Windows Backup application for organizations. Previously, only individual consumers had access to this feature. Now, businesses can use it too. This tool is a major step forward for managing company computers.
The app works by saving important information to an employee’s Microsoft Account, using OneDrive for storage. It can back up:
- User preferences and settings
- Credentials for apps and websites
- Personal files and folders
The main benefit is for setting up new computers. When a company gives a new PC to an employee, this tool makes the process much simpler. During the initial setup, the new computer can pull all the backed-up information from the cloud. This means the employee’s desktop, apps, and settings will look just like their old machine. It saves a lot of time and helps employees get back to work faster.
For businesses, this process is different from the consumer version because it gives IT administrators more control. Admins can create policies that decide how a new PC is configured. They can also manage what data is stored in the Microsoft account, ensuring everything complies with company security rules. This level of control is vital for protecting sensitive business information. This feature directly impacts a company’s financial well-being, as data loss can be costly, making data protection a critical business function.
However, one feature from the past is still missing. The update does not bring back the full system restore function that was available in Windows 7. That tool allowed users to restore their entire computer from an image, and some advanced users may miss its absence.
Important Fixes for Everyday Problems
Besides the new Backup app, this update fixes many bugs that may have been causing you trouble. These fixes improve the stability and usability of Windows 11.
Performance and Connectivity Improvements
- Slow File Transfers: Some users noticed that moving files over a network using the SMB protocol was very sluggish. This update fixes that delay, making file transfers feel quick and responsive again.
- File System Freezes: A conflict between two features in the Resilient File System (ReFS), deduplication and compression, could cause the entire system to become unresponsive. If your work involves this advanced file system, this fix is critical for stability.
- Wi-Fi Disconnecting: The update resolves an issue where Wi-Fi could stop working after a GPE update was applied, ensuring your network connection remains stable.
Hardware and App Usability Fixes
- Copilot Key Issues: The dedicated Copilot key on some keyboards was not working correctly. Pressing it once could prevent the Copilot app from restarting. This has now been fixed.
- USB Device Visibility: A security policy designed to hide removable storage devices was not working properly. USB drives would still appear even after being blocked by an administrator. This security loophole is now closed.
- Remote Desktop Camera Problems: If you use Remote Desktop, you may have noticed it failed to recognize newly connected cameras. This bug has been addressed, improving the experience for remote workers.
- File Explorer Glitches: Many users reported problems with File Explorer. The “Recent” section would sometimes appear partially blank, showing only a few folders. The app would also slow down significantly when navigating or right-clicking, especially for users syncing many SharePoint sites. These performance issues and visual bugs have been corrected.
- Blocked App Prompts: When a user tried to open an app blocked by an administrator, the “Ask to Use” approval prompt would sometimes disappear. This prevented users from requesting access and has now been fixed.
Minor fixes for the Narrator screen reader and COSA profiles are also included, improving accessibility and system configuration.
How to Install the KB5064080 Update
Since this is an optional update, you have two main ways to install it.
Through Windows Update (Recommended for most users)
This is the simplest method.
- Open the Settings app on your computer.
- Navigate to the Windows Update section.
- Click the “Check for updates” button.
- If the update is available for your device, it will appear in a section for optional updates.
- Click the “Download & install” link to begin the process. Your computer will handle the rest and will likely need to restart.
From the Microsoft Update Catalog (For advanced users)
This method is useful if you are an IT admin managing multiple machines or if the standard update fails.
- Go to the official Microsoft Update Catalog website.
- Search for “KB5064080.”
- You will see download links for different system types. You must choose the correct one for your PC, which will likely be 64-bit or ARM-64.
- Download the .msu file.
- Run the downloaded file to start the installation. This process can take longer than updating through the Settings app.
As of now, there are no major known issues reported with this update. It appears to be a stable release focused on adding a key feature for businesses and improving the overall quality of the operating system.