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Help keep your PC trouble free. Download the free trial of Windows Live OneCare.
Windows Live OneCare is currently available in the U.S. only. See additional system requirements.

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Get always-on protection and maintenance for up to 3 PCs for just $49.95 a year.


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Try Windows Live OneCare free for 90 days to see how easy caring for your computer can be.


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Do you have a store-bought product key or token? You can activate it here.


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Already a subscriber? You can add another computer to your subscription here.