There are many available ways to upgrade to Windows 10 21H2.
Yes, and Microsoft has launched updated ISOs for Windows 11 & 10.
Microsoft has released the Windows 10 21H2 Insider preview build to the Release Preview Channel inWindows Insider Program.
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Just check that you join the right Channel Release Preview Channel.
Microsoft hasnt released to official download source.
But you could download Windows 10 21H2 ISO file 64-bit/32-bit from other sites, other safe sites.
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Windows 10 21H2 will reach end of service on May 12, 2023.
Youd better refresh your Windows 10 to the latest version now.
you could use Rufus, a free and portable utility, to do the job.

Now, the Windows 10 21H2 installation is prepared.
The next step is to install Windows 10 21H2 from USB.
In this post, we will show you where to download such a tool.
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At that time, Microsoft will upgrade its Windows Media Creation Tool.
Then, you could upgrade/install Windows 10 21H2 from the installation medium.
However, no all users can get this new Windows 10 version.
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it’s crucial that you have a license to install Windows 10.
Here is an official guide for your reference:Windows 10 media creation tool.
We hope this guide can help you get Windows 10 21H2.

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