HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion : Insert a Windows 10 Pro ISO or USB. Run from within your current desktop and select the option to Keep personal files and apps Important Considerations Downgrade Windows 11 Enterprise to Pro edition

Copy all personal files, documents, and photos to an external drive or cloud storage.

Once you have successfully moved to Windows 10 Pro, ensure everything works properly:

to trigger an edition change without a full wipe, though this is not guaranteed for all versions. Microsoft Learn Method 1: Change Product Key (In-Place)

Download the Windows 10 Media Creation Tool from the official Microsoft website .

This method involves modifying the Windows registry to make the system believe it is already running the Pro edition, which then allows a Pro installation media to perform an "upgrade" over itself. Microsoft Learn Backup Your Data

: Modifying the registry or reinstalling an OS carries inherent risks. Back up all critical files to an external drive or cloud storage before proceeding.

You will see a list of partitions. To ensure a clean install, select each partition on your system drive (usually Drive 0) and click Delete until only "Unallocated Space" remains.

Use or Veeam Agent to take a full disk image before proceeding.

If the product key method fails, or if you want to ensure a stable system without leftover Enterprise policies, a clean install is required. Microsoft Learn Back up data