Is Windows 10 retail key legal?

Yes, as long as it is a retail (store bought) Windows 10 license.

Is buying OEM Windows 10 illegal?

There’s nothing illegal about buying an OEM key, so long as it’s an official one. So long as you’re happy to take on the responsibility of being your own technical support, then an OEM version can save a lot of money while offering an identical experience.

Can I sell Windows OEM?

kylerobinson wrote: They’re allowed to sell generic OEM copies, like you would purchase with a white-box system. They don’t need to be sold only with new computer systems, but with any qualifying hardware purchases.

Can I sell my Windows license?

It would be legal to resell a retail Windows 10 license, provided you wipe it from the machine where it is installed, but it would not be legal to resell an OEM license, which is one associated with an installation that was preinstalled by the factory, without transferring the original hardware with it.

Is it illegal to sell Windows keys?

So anyone claiming to sell keys is likely not legal. They are genuine Microsoft product keys, they are actually retail licenses, but it is intended for a particular product channel either the Microsoft Software Developer Network (MSDN) or TechNet for IT Professionals who pay a subscription fee.

Is buying a Windows key legal?

Two of the most popular ways of acquiring inexpensive Windows licenses are through grey market keys and distribution licenses. While it’s not against the law, buying one of these licenses for personal use is absolutely against the almighty Terms of Service.

Is buying Microsoft keys legal?

There is nothing illegal on buying a OEM key as long as it is official.

Are cheap Windows licenses legal?

The cheap Windows key you purchased on a third-party website is likely not legal. These grey market keys carry the risk of getting caught, and once it is caught, it is over. If luck favors you, you may get some time to use it.