Mark HachmanSenior Editor, PCWorld

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

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You can now use your Android phone as a security dongle for two-factor authentication

Google has implemented a new method of two-factor authentication, using an Android phone as a stand-in for a hardware dongle.

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Opera 60 debuts with a free, faster VPN, and Netflix hasn't blocked it yet

Opera's free, unlimited VPN debuted in 2016, then wallowed in limbo for some of the intervening years. With Opera 60, the browser's upgraded VPN service is fast enough to watch Netflix content that's available to other regions.

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Who needs Windows 10 Pro: 5 reasons to upgrade

If you're buying a new Windows 10 PC, chances are you'll receive Windows 10 Home. But should you upgrade to Windows 10 Professional, just to be sure?

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Qualcomm's Snapdragon 730G processor was built for kick-ass mobile gaming

Qualcomm has launched a version of its Snapdragon 730 mobile processor with several optimizations specifically for mobile gaming.

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Slack now integrates with Office 365, pushing Office docs and email reminders into your chat

If you'd prefer discussing a critical email within Slack's chat rooms and not within Outlook, then Slack's integration with Office 365 is for you.

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Microsoft's Windows 10 May 2019 Update can be downloaded now: Here's how

Microsoft's Windows 10 May 2019 Update (also known as 19H1) is available for Windows Insiders, and it's simple to join and download the update.

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AMD's 2nd-gen Ryzen Pro mobile chips see some traction with HP, Lenovo design wins

AMD's 2nd-gen Ryzen Pro microprocessors boast an integrated Vega GPU, and have won designs from HP and Lenovo.

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Microsoft releases alpha versions of its Microsoft Edge on Chromium browser for you to try

Microsoft posts an early, public version of its Edge browser running on top of the Chromium platform used by Google Chrome.

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Microsoft will ship the Windows 10 May 2019 Update in late May, giving you power over updates

Microsoft announces a prolonged testing period for what is now the Windows 10 May Update, including more powerful Windows Update controls that allow everyone to delay patches for up to 35 days.

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Microsoft has closed its e-bookstore, and everything you purchased will vanish in July

Microsoft has decided to withdraw from selling ebooks, offering refunds for everything you've purchased. But anything you've purchased will vanish by this summer.

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Google Gmail celebrates 15 years by adding scheduled email and Smart Compose for mobile

As Gmail turns 15, Google adds features like scheduled email and Smart Compose for writing email on the go.

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Wunderlist's death by a thousand cuts continues as Microsoft axes Cortana integration

As of April 15, you'll no longer be able to access Wunderlist via Windows 10's Cortana.

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Update: Google Gmail, Microsoft Outlook.com add 'dynamic email,' to avoid the pain of new tabs

Google's Gmail will suck in a small corner of the internet to allow you to research hotel rooms or add a pin to your Pinterest board from within an email. Outlook.com will as well.

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Vivaldi 2.4 enhances the browser's tab wizardry

Vivaldi has a reputation for being an extremely configurable browser, and it's even more flexible with release 2.4 and its icon and tab rearranging.

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5G could be the foundation of next-gen 'cloud VR'

AT&T, Ericsson, and a number of companies showed off streamed VR to headsets, using 5G to minimize nausea-inducing latencies while keeping the resolutions high.