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.

Climb the steps all the way to Windows guru status with our invaluable selection of tips and shortcuts for XP and Vista.

We've searched every corner of the web for the most useful (and useless) sites you've never seen. Download free movies and music, find the cheapest shopping sites, get a degree, make money, walk on Mars and much more.

Do you have a business or are in charge of a business’ tech security? Get some tips from PC Authority’s experts.

A few weeks ago we asked for your eBay stories, and we’ve received a lot of responses about bad sellers, demanding buyers and more.

Ever wondered what a particular acronym stands for? Find the answer in our comprehensive reference guide to computer industry acronyms. RTFM!

Your wireless network is more powerful than you imagine. Use this guide to fully understand and utilise it.

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

PC Authority takes a trip down computer memory lane and discovers just how PC technology has evolved... and how Microsoft and IBM nearly destroyed each other.

Apple’s ads may be funny, but they’re woefully inaccurate. Here we reveal dozens of reasons why the PC outclasses the Mac.

Your photos, music and data are just a virus or hard disk failure away from oblivion. Build a triple-layer defence using PC Authority's practical guide.

Krome is busy putting finishing touches on Star Wars: The Force Unleashed. We spoke to them about the game, Krome's new Merkury3 engine and more.

High definition video is the next big thing for Australia. We explain the essential technologies for your TV or living room PC, and what to expect from our broadcasters.

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.

Unless you keep your computer disconnected from a network and under secure lock and key there will always be the potential for prying eyes to access the data on your hard disk.

Will a beefed-up firewall, User Account Control and disk encryption make Vista a safer choice than XP?

Leigh Dyer infuses a cheap standalone router with the power of Linux.

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.

To kick-start the series we're going to begin, as it were, at the top – with the fine art of motherboard and CPU installation. Whether you're building your machine anew, or upgrading your current one with more powerful components, the following guide will help make installing these two key components a breeze.

Traditionally firewalls were the bastion of large, publicly accessible networks to keep hackers out. But in a world connected by the Internet, every machine hooked up to it becomes publicly accessible, and so it's vital that every machine is equipped to protect itself, and the network it may serve, from attack.