If after the clean install Windows shows “Enterprise LTSC” again in system properties, you accidentally booted from the wrong installation media or selected the wrong edition during setup. Wipe the drive partitions completely during custom install and try again.

If Method 1 displays an error stating the key cannot be used on this edition, Windows is strictly blocking the LTSC-to-Pro path. You can bypass this restriction by tricking the computer into thinking it is already running Windows 10 Pro before executing an upgrade installation.

: Copy and paste the official Microsoft generic retail key for Windows 10 Pro into the field: VK7JG-NPHTM-C97JM-9MPGT-3V66T

: VK7JG-NPHTM-C97JM-9MPGT-3V66T . This is a official transitional key used to trigger the OS fallback downgrade mechanism, but it does not grant activation.

Boot from the USB drive (you may need to access your BIOS/UEFI boot menu, usually F2, F12, Del, or Esc).

Note: Do not restart your computer after this step, as Windows may revert these registry changes upon reboot. Step 2: Run the Windows 10 Media Creation Tool

: This prevents the system from trying to validate against a server that might block the initial change. Open Activation Settings Windows Key + I , navigate to Update & Security Activation , and select Change product key Enter the Generic Pro Key

Select the partition where LTSC is installed, and click (ensure all partitions on the system drive are deleted, or format them) until only "Unallocated Space" remains. Select the unallocated space and click Next . Windows will now install Pro. Method 2: The "Downgrade" Method (Via Registry Edit)

This comprehensive guide covers the proven methods to change your operating system from Windows 10 Enterprise LTSC to Windows 10 Pro without losing your files, or via a clean installation. Important Pre-Requisites Before You Begin

Follow the setup wizard prompts. If prompted, input the : VK7JG-NPHTM-C97JM-9MPGT-3V66T .