Preston Gralla

Contributing editor

Preston Gralla is a contributing editor for Computerworld, a blogger for ITworld, and the author of more than 45 books, including NOOK Tablet: The Missing Manual (O'Reilly 2012) and How the Internet Works (Que, 2006).

10 things you should know about upgrading to Windows 10

Deep-dive review: Windows 10 -- worth the wait

Deep-dive review: Windows 10 -- worth the wait

Windows 10 is finally out in the wild, and it is a truly integrated and feature-filled operating system. We take a close look at the final product.

5 great free apps for powering up Google Drive

5 great free apps for powering up Google Drive

Want to make Google Drive even more powerful than it already is? I've got five free power-ups for you that let you do everything from edit photos and videos, to convert files to different formats, to build databases, and more.

How to check if you've been attacked by Hacking Team intrusion malware

How to check if you've been attacked by Hacking Team intrusion malware

Hacking Team malware has been attacking computers and smartphones --- and you may be infected without knowing it. Here's how to find out if you're infected.

9 reasons not to upgrade to Windows 10 -- yet

9 reasons not to upgrade to Windows 10 -- yet

Many Windows users are looking forward to the imminent release of Microsoft's new operating system. But they may want to wait. Here are 9 possible reasons not to upgrade yet.

McAfee LiveSafe review: Top protection for Windows, Android

McAfee LiveSafe review: Top protection for Windows, Android

McAfee LiveSafe provides users with protection for an unlimited number of devices -- and for a reasonable price. However, Apple users don't get much beyond the most basic features.

Norton Security review: Simpler and still a winner

Norton Security review: Simpler and still a winner

Symantec has streamlined its Norton line of anti-malware suites and combined them into a single but still-efficient package.

Security suites: Choosing the best one for you

Security suites: Choosing the best one for you

These days, security suites do more than protect you from malware -- they handle phishing, lost mobile devices and a multitude of other tasks. We find out which are appropriate for your needs.

Which is better, the Galaxy Tab S2 or iPad Air 2?

Which is better, the Galaxy Tab S2 or iPad Air 2?

When the Galaxy Tab S2 launches in August, it'll give the iPad Air 2 a run for its money. Which is better for you? I've got specs and details.

5 great tips for getting more out of Google Inbox

5 great tips for getting more out of Google Inbox

Google Inbox is big improvement over plain Gmail, but it can still be made better. Here are five tips for powering up Google Inbox even more.

Beyond Amazon Prime Day: Where else to get Black Friday prices in July

Beyond Amazon Prime Day: Where else to get Black Friday prices in July

Amazon has promised that its Prime Day will offer more deals than Black Friday -- but so far they've been underwhelming. But there are plenty of other places you can go this July to get Black Friday prices. I've got the details about...

5 great Web sites to learn to code or upgrade your coding skills for free

5 great Web sites to learn to code or upgrade your coding skills for free

Coding is no longer just for programmers and geeks -- it's a great skill for almost anyone at work. Here are five great places online to learn coding for free, or to upgrade your skills if you already code.

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