Windows 10 KB5039299 has been released to version 22H2 on June 25, 2024.
Also, this guide offers you several solutions if KB5039299 fails to install.
What is Windows X-Lite Optimum 11 24H2?
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How to get this system downloaded and installed?
Here is the tutorial.
First, right-click theWindows logobutton from the taskbar and chooseSettings.

Second, selectUpdate & Security>Windows Update>Check for updates.
However, you may experience this issue: KB5039299 not installing.
We have researched this problem and provided with you some practical solutions below to help you address it.
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Here you might see how to run it.
Open options by pressing theWindows + Ikey combination.
SelectUpdate & Security>Troubleshoot.

In the right panel, selectAdditional troubleshooters.
In the new window, chooseWindows Updateand then clickRun the troubleshooter.
Solution 2.
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So, you could get the standalone package of this update from the catalog.
InputKB5039299in the search box and pressEnterto search for it.
Solution 3.
Use Windows 10 Update Assistant
Windows Update Assistant is a tool for downloading and installing new updates.
you’re able to use it to manually scan and download KB5039299.
First, go tothis pageand click theUpdate nowbutton to download Windows 10 Update Assistant.
Once the update assistant is downloaded, launch it and follow the on-screen instructions to complete the update installation.
Solution 4.
Perform a Windows Update Components Reset
Corrupted or damaged Windows Update components can be responsible for the update failure.
Further Reading:
Your desktop files or files in other locations may disappear after updating Windows.
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Bottom Line
Windows 10 KB5039299 is a cumulative update worth installing.