[Retail] – This when you buy a Full Packaged Product (FPP), commonly known as a “boxed copy”, of Windows from a retail merchant or purchases Windows online from the Microsoft Store. Product keys can be transferred to another PC. limited Reactivtion
[OEM] – Product keys are issued by the original equipment manufacturer (OEM) and are may not be transferred to another computer. They may, however, be transferred with the computer if the computer is transferred to new ownership. If the OEM PC came pre-installed with Windows 8 or Windows 10, then the product key will be embedded in the UEFI firmware chip.
[Volume] – These are Volume MAK product keys and may not be transferred with the computer if the computer changes ownership.
[Bind] – Other than these types of keys, there are keys that can be bind with your Microsoft account. I have mentioned those products with this tag.
[Phone] – Keys with this tag need to be activated via the telephone activation method You can reactivate this license minimum of 3 times on the same device.
[DLA] – Digital License Activation – Non Tranferble
[Key] – Single online or offline activation Key
[Account] – Subscription account come login credentials
Feel free to ask me before buying anything if you have any doubts. Don’t chargeback straight away after you buy and it didn’t work.