Apple's Let us Loop in event will start in few minutes. Here's how you can watch the live stream in both Windows & Mac Devices.
As usual for Mac devices, you can directly go to Apple's Event - Keynote March 2016 page & can enjoy the live stream. This link will also work for all iOS devices like iPhone, iPad etc. But, for the windows & android devices, the restrictions are there just like other Apple events. Well, how can we watch it from Windows & Android devices? Here's the answer- Ustream.tv which has been providing live stream from past few years.
Though the Windows 10 users can watch the live streaming using Microsoft Edge browser, but for the earlier versions & android users, Without wasting any time, here's the live stream link of Ustream.