The first of the big three press conferences will deliver all of the show's Xbox One and Windows PC news. There also will likely be news of not one, but two new Xbox Ones.
We'll be on the floor covering it in person, but you can also watch the whole thing go down in the video stream below when it goes live at 9:30 a.m. PT / 12:30 p.m. ET.
Don't forget to check out our complete E3 2016 livestream schedule right here and follow along with all of our E3 coverage here.
UPDATE: Here are the biggest highlights from the Microsoft Xbox E3 press conference:
- Xbox One S starts at $299
- Microsoft confirms Project Scorpio, coming holiday 2017
- Xbox Play Anywhere will let you buy and play Gears 4 on Xbox One or PC
- Forza Horizon 3: Launch date and details
- Your first look at the Gears of War Xbox Elite Controller
- ReCore release date confirmed for Sept. 13
- Watch Gears of War's General RAAM's unveiling in Killer Instinct
- The Division Underground DLC release date and details
- Play Battlefield 1 first on Xbox One on Oct. 13
- Watch Gears of War 4's new, lengthy look
- Limbo developer's newest game, Inside, coming to Xbox One at end of June
- Watch the first footage of Final Fantasy 15 running on Xbox One
- Fallout 4's next three DLC packs revealed at E3
- Minecraft is getting cross-platform play on Xbox and mobile
- Xbox announces new fully customizable, colorful controllers
- Stardew Valley comes to consoles later this year
- New features coming to Xbox Live include Clubs and an Arena
- Dead Rising 4 announced for Xbox One and PC
- Gwent: The Witcher Card Game coming to PC, PS4, Xbox One
- Tekken 7 coming to PS4, PC and Xbox One in 2017
- Scalebound gets new demo and Windows 10 release
- State of Decay 2 coming in 2017
- Halo Wars 2 comes to Xbox One, Windows 10 next February
- Rare's next game is a multiplayer pirate adventure
- We Happy Few coming to Xbox One Preview next month
- Halo Wars 2 open beta kicks off June 13
