Microsoft is preparing to release Windows 10 21H2 to all users. In a blog post on October 21, company executives said users should be prepared for the Windows 10 November 2021 Update, or Windows 10 21H2.
According to the publication Build 19044.1288 will be the final version and the ISOs already exist.
You can download it from the following link
https://www.microsoft.com/en-us/software-download/windowsinsiderpreviewiso
Microsoft is currently promoting the Windows 10 November 2021 Update to all Insiders following the Release Preview Channel. To upgrade as Insider you are using the 21H1 or some other version you should look for it in Windows Update.
Windows 10 21H2 does not bring many new features.
WPA3 H2E standards support enhanced Wi-Fi security
Passwordless Windows Hello for Business support
GPU support for Windows Subsystem for Linux (WSL) and Azure IoT Edge for Linux on Windows (EFLOW)
Microsoft did not say whether or not it plans to continue releasing two feature updates a year for Windows 10.
The only thing he has publicly stated is that he will support Windows 10 until October 2025 with security updates and fixes.