How long will the Xbox E3 2018 briefing be? According to Phil Spencer, you should expect the show to run for about 100 minutes. That estimate was based on the company's last run-through. The real runtime could differ, but it should be something in that area.

Microsoft's press conference kicks off Sunday, June 10 at 1 PM PT / 4 PM ET / 9 PM BST (6 AM AET on June 11). We don't know yet what Microsoft will show during the event, but game announcements, new gameplay footage for existing games, and surprises are expected.

You will be able to watch the entire event here on GameSpot, while we will have a liveblog of the show as well so you can see a blow-by-blow breakdown of the event.

Following Microsoft's briefing on Sunday will be Bethesda's E3 2018 press conference at 6:30 PM PT / 9:30 PM ET. The show then rolls on from their with Ubisoft and Sony on Monday and then Nintendo on Tuesday.