- Microsoft Windows (allthetropes.org)
Microsoft Windows is a series of operating systems developed by Microsoft since the mid-1980s, and since 1993 have had distinct business & consumer lines (though starting with XP, both lines come from different editions of the same version of Windows, with the exception of server versions)
- Northern Hemisphere (Wikipedia)
The Northern Hemisphere is the half of Earth that is north of the Equator. For other planets in the Solar System, north is defined as being in the same celestial hemisphere relative to the invariable plane of the Solar System as Earth’s North Pole.