Hello,
Thank you for posting in Q&A forum.
We suggest that you visit Microsoft's official website to download Windows 11 IoT Enterprise 23H2. Please refer to
Windows 11 Enterprise | Microsoft Evaluation Center
Once the download is complete, you can copy the installation program to your Teams room device.
Run the installation program and follow the instructions to complete the upgrade process.
Please make sure to back up your data before starting the upgrade and ensure that your device meets the system requirements of Windows 11.
Hope this answer can help you well.
Best regards,
Jill Zhou