

Upgrade to Windows 10 Pro Using a Premium Business Edition Windows Key Here is how you can work around the issue. Microsoft describes the behavior as design, but it’s an extra bit of chore and confusion when the setup is complete.

This also removed the need for the Certificate of Authenticity stickers you would see attached to a PC running Windows 7 or earlier versions. Instead of using the old OEM SLP (System Lock Protection) key method, which allowed major brands such as Dell, HP, and Lenovo to install Windows in bulk, a unique product key is embedded in the computer’s firmware.

On systems that came preinstalled with Windows 8, Microsoft introduced a new mechanism for product activation.
