https://www.pcgamer.com/halo-5-forge-comes-to-windows-10-in-early-september/
Halo 5: Forge comes to Windows 10 in early September | PC Gamer
Aug 24, 2016 - The free Halo 5 map editor will support online combat for up to 16 players on the PC.
halo 5 forgewindows 10