Installing KB5015885 will upgrade your operating system’s build to 22621.317. In this post, we will show you how to install this update after going through what issues this flight addresses.

New in Windows 11 KB5015885 (Build 22621.317)

The following improvements and fixes are introduced for the Windows 11 OS in this flight:

New in Windows 11 KB5015885 (Build 22621.317) Download and Install Windows 11 KB5015885 (Build 22621.317) Rollback/Remove Windows 11 Insider Preview Update Cleanup After Installing Windows Updates

An issue that prevents the built-in troubleshooters from opening has been fixed.An issue that might increase the latency of games when Vertical Sync (VSync) is in use has been addressed.An issue that affects the ProjectionManager.StartProjectingAsync API and prevents certain locales from connecting to Miracast Sinks has been addressed.An issue that causes the Smart App Control to block catalog-signed files is fixed.An issue that causes the “Take a Test” app to remove all policies related to lockdown enforcement when you close the app has been fixed.An issue that might highly distort photos you take using the Camera app has been addressed.An issue that throws an exception when you debug drivers using Visual Studio 2022 version 17.2 or later has been addressed.An issue that causes the Windows profile service to fail sporadically has been fixed.We fixed an issue that prevents virtualized App-V Office applications from opening or causes them to stop responding entirely has been fixed.

Microsoft has currently not disclosed any issues with this flight.

Download and Install Windows 11 KB5015885 (Build 22621.317)

To install this update, you need to be running Windows 11 and subscribed to the Release Preview channel. If you have enabled Windows updates, you will automatically get a “New features are ready to install” prompt. If not, follow these steps to install the update: Once the computer restarts, you can verify that the OS has been updated by typing in winver in the Run Command box. When it finishes downloading and installing, click Restart Now to finalize the installation.

Rollback/Remove Windows 11 Insider Preview Update

If you do not wish to keep the installed preview update for some reason, you can always roll back to the previous build of the OS. However, this can only be performed within the next 10 days after installing the new update. To roll back after 10 days, you will need to apply this trick.

Cleanup After Installing Windows Updates

If you want to save space after installing Windows updates, you can run the following commands one after the other in Command Prompt with administrative privileges: