Looking to turn your computer into the ultimate home-entertainment device?

Here's how to get a top-notch media experience out of the PC you already own.

Your PC already plays music, and your hard drive holds every digital photo you've ever taken. And you probably watch hours of video on Hulu, Veoh, or YouTube.

Wouldn't it be nice if you could corral all that stuff within one attractive, easy-to-use interface? One that's large enough for you to see (and control) from the couch? And, hey, while we're at it, how about adding TV and DVR features to the mix?

You can do all that and more by transforming your PC into a self-contained media center. All you need is the right software, and possibly some extra hardware, to give your machine new life as a jukebox, a high-def digital photo frame, a movie theater, and a TiVo clone.

You don't necessarily need to buy new hardware, and the software part of this upgrade could be easier than you think. In fact, if you're running Windows Vista Home Premium or Vista Ultimate, you're set: Microsoft baked Windows Media Center right into the OS. Mac OS X Leopard users already have basic media-center software in the form of Apple's Front Row, though third-party alternatives are also available. And Linux users have several free options, including Freevo and LinuxMCE.

All of those applications scan your PC for photos, music, videos, and the like, and then present them inside an oversize, TV-friendly interface (commonly known as a 10-foot interface, meaning it's easily viewable from the couch). So when we talk about turning your PC into a media center, we mean installing software that finds, catalogs, and plays your media files--and looks good while doing it.

Note: In this guide, I'll focus exclusively on ways that you can turn your existing computer into a media center. For a complete guide to assembling a media center PC from the ground up, see Zack Stern's excellent "Build Your Own High-Def PC."
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