Updating trial verson to vlk license

Hi, I bought a used Laptop and recently found out that it has Volume license Win 8 Pro, which does not allow for Win 8.1 Upgrade...

updating trial verson to vlk license-10updating trial verson to vlk license-8

I think it did come with an original OEM Win 8 Pro, but someone reinstalled the laptop before selling it to me I tried to reach lenovo on several forum trying to find a way to reset this to original factory, but seems no answer from anyone.Does anyone know if Volume License Win 8 Pro can be upgraded to Win 10 ? just found out that Win 8 is not to be upgraded at all!"We will offer a free upgrade to Windows 10 for qualified new or existing Windows 7, Windows 8.1 and Windows Phone 8.1 devices that upgrade in the first year!Cyber Link is the leader and pioneer in enabling digital multimedia on PCs, consumer electronics and mobile devices.Founded in 1996, Cyberlink has built a solid reputation for delivering high quality multimedia solutions that meets the needs of our PC OEM partners, multinational to small businesses, government and educational organizations.