Don't-Miss Operating System Stories

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Turn old PC hardware into a home server with FreeNAS

FreeNAS can breathe new life into old hardware and sling files and media to networked devices all around your house.

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Have operating system, will travel: How to run virtual machines from a flash drive

Virtual machines are usually restricted to a single box, but Portable VirtualBox lets you install VMs on a flash drive so you can run your PC-in-a-PC on any PC.

How to install Ubuntu and keep Windows

There are three ways to have your Ubuntu and keep Windows, too.

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Linux to the rescue! How Ubuntu can help a computer in distress

When disaster strikes your Windows PC, an Ubuntu live drive has all the tools you need to save the day.

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How to run SteamOS in a virtual machine

See what all the hub-bub behind Valve's gaming-centric operating system is about WITHOUT blowing away all the data already on your hard drive.

3 ways to get a new Windows 7 PC in the Windows 8 era

You can still buy or build a PC with Windows 7, or possibly downgrade from Windows 8. It just takes a little extra legwork.

Switch to Mac: How to find your favorite Windows features in OS X

Moving to the Mac? OS X can do everything your Windows machine can—the trick is knowing where to look. In this Macworld video, PC World associate editor Alex Wawro explains where you'll find your preferences, how to access familiar programs, and more.

Make your website stand out in Windows 8

New features in Windows 8 and Internet Explorer 10 help you integrate your website and attract visitors to it.

Make your PC kid-friendly with four custom operating systems

Parental controls are outdated. Make your PC fun for all ages using operating systems designed specifically for tech-savvy tykes.

The ultimate Linux starter kit for small business

Linux machines can save your business cold, hard cash. Here's how to pick the best OS and apps for yourself, your workers, and your IT pros.

The Ubuntu guide for displaced Windows users

Scared of Windows 8 and thinking of switching to Linux? Here's the definitive guide to making the transition.

How to make Ubuntu Linux look like Windows 7

Are you ready to make the jump to Linux, but scared of learning a whole new interface? Here's how to make unfamiliar Ubuntu look and feel like the familiar Windows 7 desktop.

5 excellent uses of Windows 8 Hyper-V

With virtualization in Windows 8, you can create an app sandbox, run a test machine, launch a VHD appliance, and more.