If it’s retail, you can continue to make hardware modifications to your system, such as changing the motherboard or moving it to a different computer. This affects the rights to what you can do with the license. Even though your free upgrade to Windows 10 from an OEM Windows 7 or Windows 8/8.1 is now identified as retail, in spirit, it is still an OEM license. The November Update now describes all licenses upgraded, whether full package or OEM, as retail. Previously, you could identify the channel from which, the license was derived by issuing a particular Windows command. We discussed these nuances in our Windows 10 editions article with the release of Windows 10 November Update, 1511, Microsoft made modifications to the channel license.

This is possible because the Pro Pack, while an upgrade, is a retail license attached to the Microsoft Account used to purchase it.

If you performed an Easy Upgrade to the Windows 10 Pro Pack from Windows 10 Home, you could transfer it using Digital Licensing.

If you have a full retail copy of Windows 10, you can transfer it as many times as you want.

From an OEM Windows 7, Windows 8, or 8.1 licenses upgrade, these are licenses that come preinstalled on a new computer from a manufacturer, and then your Windows 10 license maintains the OEM rights – cannot be transferred.

But under Microsoft’s rules, you are only entitled to a one-time transfer. If you upgraded from a retail copy of Windows 7, Windows 8, or 8.1, the Windows 10 license carries the retail rights from which it was derived – can be transferred.Contrary to these statements, Windows 10 free upgrade does have some restrictions. Microsoft describes the Windows 10 free upgrade as a full version, not a trial.

Determine If Your Windows 10 License Can Be Transferred Find out what type of license you have installed Microsoft continues to provide Windows 10 as a full retail product for computers without a qualifying license or for people who build PCs. In 2015, Microsoft launched its latest version, Windows 10, offering the operating system to qualifying PCs and devices running Windows 7 or Windows 8 for free, for a limited time.