Hi @Eaven HUANG ,
Thanks for reaching out to Microsoft Q&A.
1,We can use in-place upgrade task sequence to upgrade from Windows 10 to windows 11 without losing data. Here are some step-by-step guides for your reference:
Windows 11 22H2 Upgrade using SCCM | ConfigMgr
Windows 10 21H1 Upgrade Using SCCM Task Sequence | ConfigMgr | Best Guide
2,To support the latest Windows 11 as a client, we must use ConfigMgr version 2207 or newer version.
Support for Windows 11 in Configuration Manager
Thanks for your time. Have a nice day!
Best regards,
Simon
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