A smarter Siri. New Macbooks. A redesigned Apple Music. These are just some of the things we’re anticipating at WWDC 2016, Apple’s big developer conference which kicks off today at 1pm ET. As usual, Apple will be livestreaming the whole thing.

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Of course, it wouldn’t be an Apple livestream if it didn’t come with a few caveats. Here’s all the software you need to watch without worry, per Apple:

Live streaming uses Apple’s HTTP Live Streaming (HLS) technology. HLS requires an iPhone, iPad, or iPod touch with Safari on iOS 7.0 or later, a Mac with Safari 6.0.5 or later on OS X v10.8.5 or later, or a PC with Microsoft Edge on Windows 10. Streaming via Apple TV requires an Apple TV (2nd or 3rd generation) with software 6.2 or later or an Apple TV (4th generation).

So you can use Safari, Edge, or Apple TV. Don’t even try to use Chrome or Firefox, and it wouldn’t hurt to update your software just in case. Good luck out there.