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

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.

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.

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

We’ve examined the data from more than 8000 readers to reveal exactly what sort of reliability, customer service and satisfaction you can expect in 2007.

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.

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

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

Microsoft’s radical redesign promises ‘better results, faster’. Be fully prepared for this world-leading productivity software.

Want to break free from a Microsoft world? Leigh Dyer looks at the alternatives.

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

What will you be buying, using and drooling over this year? Tim Dean looks at the astounding products and technologies due to hit in the next 12 months.

How will you be computing in the next 12 months? PC Authority brings you 2005's big technology stories - before they happen.

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

Movers and stinkers from the world of business

Stack your system full of software without paying a penny, with our guide to essential downloads

How did a vibrant palace of bargains and trust turn into a standoff between buyers and sellers? Part one of our major feature.

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

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.

A fortnight ago we reviewed the worst villains in computing history. But what would a villain be without a hero to battle with?