


These licenses are not transferable between different machines, are directly linked to the hardware where first activated, and are often much cheaper than retail copies. If you've purchased a new computer or laptop that came with a pre-installed version of Windows, it is highly likely to have been an OEM version. These licenses are provided to equipment manufacturers to include with their hardware sales. OEM License: Original Equipment Manufacturer License.Retail License: A Windows license purchased in a retail environment, can be used to activate Windows multiple times on different systems (provided it is removed from the old system before installing on a new system).

