Nvidia’s latest graphics cards and chips throw down the gauntlet to Intel and AMD. Go behind the scenes with this guide to the big technologies including PhysX, CUDA, and games like Far Cry 2 and S.T.A.L.K.E.R Clear Sky.

The Mac OS X 10.4 client codenamed Tiger brought some 200 new features, notably Spotlight, Apple's new desktop search technology, on its release last Friday.

Peer-to-peer networking is one of the Great Internet Treasures. David Kidd looks at the future of file sharing, and how to get the most out of it.

Prepare to say goodbye to the Pentium as we reveal the next generation

It's always a bonus to uncover a shortcut or program enhancement, and here we bring you 100 tips and tricks that we hope will make your computing experience quicker, simpler or more rewarding. Search and be found.

Still not sure whether it's worth upgrading to Vista? We put XP and Vista through the ultimate face-off.

It was touted as the next big thing from Microsoft. But is Microsoft’s storage strategy in tatters?

Yahoo! was a dominant force in the heady days of the dot-com boom. But can they still challenge the rapidly growing Google corporation?

Don't want to settle for rolling green hills on your desktop? PC Authority looks at the alternatives with our guide to the latest desktop enhancements.

A comprehensive website promotion tool.

The Internet is booming again, but this time it’s very different. PC Authority brings you up to speed with the global Web 2.0 phenomenon.

We provide the commentary on a bruising eight-round battle between Vista and Tiger.

With the free products on our new cover DVD, you need never buy software again. So why do we still keep paying?

Eighteen months after the release of Panther, Apple's Mac OS X 10.4, codenamed Tiger, is finally here, and it has been well worth the wait.

Is Ubuntu's latest release capable of meeting its lofty support goal?

In the age of Web 2.0, people are no longer looking to a single source for recommendations for information and entertainment on the ‘Net. It’s far better to have a collective recommendation, ranked by hundreds of like-minded people. How does it work? Read on.

Craig Grannell reveals quick, efficient ways to add interactive components to websites.

With Internet Explorer’s security flaws and no way of securely erasing footprint files, the boost to privacy is minimal.

World exclusive full commercial download

One of the world's most popular free antivirus programs gets an overhaul - free security just gets better.