Your company has a Microsoft 365 E3 subscription.
All devices run Windows 10 Pro and are joined to Microsoft Azure Active Directory (Azure AD).
You need to change the edition of Windows 10 to Enterprise the next time users sign in to their computer. The solution must minimize downtime for the users.
What should you use
A. Windows Autopilot
B. Windows Update
C. Subscription Activation
D. an in-place upgrade
C.
https://docs.microsoft.com/en-us/windows/deployment/windows-10-subscription-activation
should be C
Admin just need to assign Win E3 subscription on M365 Admin Portal => User need to restart their device and it will upgrade from Win10 pro to Win10 E3 (Azure AD Joined client)