Mark HachmanSenior Editor, PCWorld

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As PCWorld's senior staff writer, Mark focuses on Microsoft news and chip technology, among other beats. He has formerly written for PCMag, BYTE, Slashdot, eWEEK, and ReadWrite.

windows 10 hands on cortana

Windows 10's inquiring minds: How Hello and Cortana get to know you very, very well

Tell Cortana about yourself so she can search better for you. Teach Hello what you look like for instant logins. These services are useful--if you give them your data.

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Windows 10 launches with its fair share of bugs

Any particular issues that you're seeing with Windows 10? Some have complained about Store downloads, even a cut and paste bug.

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How to maximize your first 30 minutes with Windows 10

So you finally have Windows 10 on your PC. What do you do with it? Join our guided tour.

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How to install Windows 10 on your PC

We'll walk you what you'll need to do to upgrade to Windows 10.

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The 10 best hidden features of Windows 10

Windows 10 isn't all Cortana and the Start menu, you know. Follow the ninjacat to find the best stuff under the hood.

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Hands on with Windows 10's Windows Hello: It just works

Windows 10's facial authentication feature recognizes you when you sit down in front of your PC. One day, it could kill the password.

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Microsoft wants you to pay for Solitaire, again, in Windows 10

Yes, there is a monthly subscription offer buried within Windows 10. To play Solitaire.

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How to use Microsoft Edge, Windows 10's new browser

Windows 10 introduces a new Web browser, Microsoft Edge. We'll show you its new features, from Cortana to Web Notes, and how to use them effectively.

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Microsoft's Windows 10 Store app will finally sell some decent games

Microsoft has a well-established and well-organized Xbox game store, but Windows has inexplicably lagged behind, until now.

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Intel, Microsoft working to squash Windows 10 battery life bug

Intel acknowledged Thursday that it is working with Microsoft to eliminate a bug that can cut battery life of Windows 10 PCs.

windows 10

Windows 10 review: It's familiar, it's powerful, but the Edge browser falls short

Microsoft's Windows 10 melds the best of Windows 7 and Windows 8 into a unified experience, building its new OS upon a redefined Start menu, its Cortana digital assistant, and the powerful Task View function. (Now tested against Windows 10.0 code.)

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Windows 10 Build 10240 is what you'll find on Windows 10 PCs

Windows 10 is "Windows Forever" -- which means, somewhat existentially, that you will probably always have the last build.

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Send is Microsoft's version of Facebook Messenger, but just for Outlook

With Send, Microsoft launches instant messaging that works within an Outlook environment.

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Celebrate the Windows 10 'ninjacat' meme with new Microsoft desktop wallpapers

Somehow cats riding fire-breathing unicorns became the symbol of Windows 10. So, naturally, Microsoft is delivering custom wallpapers.

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Microsoft's Surface 3 adds another carrier, now offering LTE from AT&T

The Surface 3 with LTE is gathering acceptance, adding AT&T on top of T-Mobile and Verizon.