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Microsoft's big Windows 10 event: What you need to know

Microsoft's big event on Tuesday is expected to showcase a full range of devices that run across the tech giant's new, flagship operating system, Windows 10.

An updated Surface Pro tablet will be unveiled. With a 14-inch display, the new Surface is expected fit into the growing product category of laptop-tablet hybrids.

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Microsoft is also expected to unveil two new versions of its Lumia phones. The handsets have a new feature called Continuum.

A visitor tries out Microsoft Windows 10 operating system on the Surface 3 tablet during a launch event in Tokyo, July, 2015.
Kiyoshi Ota | Bloomberg | Getty Images
A visitor tries out Microsoft Windows 10 operating system on the Surface 3 tablet during a launch event in Tokyo, July, 2015.

Users can choose to use a keyboard and mouse with Continuum and use their phones as desktop or tablet. Depending on the device being used, the app size will scale accordingly.

The event begins 10 a.m. ET Tuesday in New York CIty. You can watch online or on Xbox.

Microsoft's attempt to build brand excitement doesn't stop at Tuesday's event. Its first flagship store will open in New York City on Oct. 26 and an international location will open in Sydney in November.