Last month Microsoft released a demo of Halo Wars 2 for Xbox One, now it's also available for PC. Windows 10 PC of course.
The demo includes the first campaign mission, "The Signal" and grants access to "Blitz Firefight" mode. The official description is below:
"Real-time strategy makes an explosive return to the Halo universe in Halo Wars 2. Lead Spartans, Warthogs and other classic Halo fighting forces into war across a wide variety of single player and multiplayer modes. The Halo Wars 2 demo features the opening mission from the thrilling campaign and an exciting new game mode, Blitz Firefight. In the campaign, players will strategically command overwhelming firepower in large-scale battles against a terrifying threat facing the UNSC and all of humanity. Blitz Firefight is a fast-paced mode where players use decks of cards to summon vehicles and troops to fight against waves of AI-controlled enemies. Try before you buy with the Halo Wars 2 demo."
You can download the demo from Microsoft Store.