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Windows 10 to get two-factor authentication built-in

The new OS will feature enhancements in areas like identity protection, data security and malware resistance

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Vaio's first post-Sony hybrid resembles Vaio Tap 11 but aims at graphics pros

The 12-inch "monster" tablet with detachable keyboard also seems inspired by Microsoft's Surface Pro, and like old Sonys, it's expensive. But can an upstart PC company make it these days?

Three free tools that reveal your PC's deepest details (including product keys)

Finding a complete list of your specs is easy enough in Windows, but these apps go deeper than the Control Panel ever could.

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These are Windows 10's new keyboard shortcuts

Not all the changes in Windows 10 are overt. New keyboard shortcuts inbound!

To your health: handy apps can help you hit your goals

These fitness and nutrition apps will help you get active, track your progress, and feel your best.

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Windows 10 tips: Your first 30 minutes with the Tech Preview

So you've downloaded Microsoft's Windows 10 Technical Preview. Let PCWorld show you around your new OS with our newbie's guide to Windows 10, complete with tips and tricks.

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Windows 10 in pictures: See the Technical Preview's new features

Windows 10's changes are as big as the Start menu and as nitty-gritty as the command prompt, with lots of interesting stuff in between. Let's dig in.

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How to install the Windows 10 Technical Preview: Everything you need to know

Try the Windows 10 beta safely: Here are the hardware requirements, and how-to's for preparing virtual machines and partitioned hard drives.

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Windows 10 Technical Preview is available to download

Brave souls can get a very, very early taste of Windows 10 today.

Protect Your Bottom Line by Making Sure Your Business is Compliant

If your office is still running Windows XP, you might be violating government regulations.