On this month’s Patch Tuesday, Microsoft has also made a contribution to the Insiders. They released KB5015818 for the Windows 11 22H2 operating system on the Release Preview channel, which is yet to be released later this year.
Installing this update increments the operating system’s build to 22621.232.
Before we proceed to learn how to install this update, we normally discuss the new features, improvements, and fixes in the update. However, Microsoft has not yet published the release notes for this particular flight, which is strange. Therefore, the article will be updated once new information is available.
Let us now see how to install this update.
Download and Install Windows 11 KB5015818 (Build 22621.232)
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:
-
Navigate to the Settings app and then click Windows Update on the left.
-
Here, click Check for updates on the right side of the window.
Check for pending updates -
You will then see the following update available and automatically downloading under Updates available to download:
2022-07 Cumulative Update for Windows 11 Version 22H2 for x64-based Systems (KB5015818)
When it finishes downloading, click Install all.
Install update(s) -
The update will now begin to download and then install. Once complete, click Restart Now.
Restart PC
Once the computer restarts, you can verify that the OS has been updated by typing in winver in the Run Command box.

KB5015818 Stuck/ Not Installing
There are already many reports that users are unable to install the update and are prompted with the following error codes:
- 0x800f0911
- 0x80070002
In some cases, users have reported that the update gets stuck at 7% and does not proceed.
If you are experiencing problems with the update, you can try resetting the Windows Update settings or run the DISM and SFC scans to fix any corrupted system files, and then re-attempt to install the update.
There is currently no official statement on the issue from Microsoft.
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:
DISM.exe /Online /Cleanup-Image /AnalyzeComponentStore
DISM.exe /Online /Cleanup-Image /StartComponentCleanup
