Dell Latitude 14 (3480) (7490) (5490) (5495) (7480) M.2 NVME SSD CON Win 10 Pro

No need to obtain a key. You can also use the pre-installed Windows drive - if you want to upgrade to Windows 10 from Windows 7 or 8. Plug and Play. Simply install into your laptop and turn on and you will be up and running.

eBay