Microsoft is bringing back Halo to PC after 12 years since the last ported title. The new Halo: Master Chief Collection will be releases on the Windows 10 Store, as well as the Steam platform and will include all 6 FPS titles of the franchise. Microsoft is also adding PC-specific features like seamless mouse and keyboard controls with remappable key bindings, plus support for different FOVs, resolutions and aspect ratios.
https://www.notebookcheck.net/Halo-The-Master-Chief-Collection-coming-to-PCs-via-Steam.413954.0.html