The opening ceremony of the 2012 Olympics in London began at 1 p.m. California time, but NBC won't be .
In the mean time, live streaming is available online through NBC's Live Extra, which requires a cable subscription that includes CNBC and MSNBC. Sign up is required to access the service, which is free of charge.
Here's how it works:
1. Click on the red button under "Watch the Olympics Live" on the Live Extra website.
2. When prompted, select your cable, satellite or telco TV provider (e.g. Comcast, Time Warner, DirecTV, AT&T) from a list.
3. Verify your TV subscription by entering the username/password corresponding to the online account you established with your provider.
A help section on the site provides FAQs and video instructions for streaming the 2012 Olympics live from London. The full live streaming schedule is available on the NBC Live Extra website.
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