SIW is a complete, free computer system information tool.

At some time or another, you'll need to know about your computer, whether it's to put an upgrade in context, check program compatibility or to test system requirements. That's where SIW comes in, giving you an overview of everything from what operating system you have to your installed codecs and motherboard specs to network information.

For a free app, SIW is pretty impressive. Visually, it's attractive, while the information is presents is laid out in a coherent, easy-to-read manner that's also really easy to export to documents so you can visualize the information better. SIW doesn't just look good, however. It's also packed full of excellent features that will tell you everything you've ever wanted to know about your computer's hardware and software - and then some.

Once SIW has given you the information you need, you might want to do something with it. The app has full report-creation features and a nice selection of tools, like a broadband speed test, memory use manager and direct access to Microsoft's built-in features. In fact, it's the perfect program just to have on hand, because even if you don't need it now, there's a really good chance you will in the future.

For a free system information tool, SIW is a force to be reckoned with.