Microsoft is kicking off its annual Build developer conference this morning in San Francisco, where you’ll get more details on the launch of its next-gen Windows 10 operating system.

PCMag’s Michael Muchmore provided a full rundown of what you should expect from Redmond today, so check that out before the event kicks off. Rest assured, it will a day full of Windows 10 and perhaps a few surprises.

Things begin at 11:30 a.m. ET/8:30 a.m. PT. Muchmore, as well as PCMag’s Damon Poeter, will be there live. But you can watch the full keynote in the video below.

Until then, check out some of our recent Windows 10 coverage, including How to Use Windows 10 Continuum, How to Use and Customize Cortana on a Windows 10 PC, and Hands On With Windows 10 Technical Preview for Phones.

Also see our first look at Windows 10 from the fall and 5 Reasons You’ll Want Windows 10.