On Thursday morning, Microsoft will be offering a video livestream from its Build developer conference taking place in Seattle. The player above will show the keynote address on Thursday beginning at 8:30 am Pacific (11:30 am Eastern). The keynote should last 90 minutes. After the keynote, the player on this page will offer on-demand viewing of the event.

If you want to watch the rest of Build, Microsoft is making large chunks of it available on the web via free livestreams. See the whole schedule at Channel 9 on MSDN.

During the day-two keynote, we can expect a flurry of announcements around Windows, Cortana, HoloLens and mixed reality, cloud-computing, and Microsoft's education-related initiatives. We'll also be liveblogging the day-two keynote. Join us on our liveblog and follow along with commentary and analysis of all the news as it breaks.