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

Will splashing out on expensive RAM make a real difference to PC performance? And if so, how much should you buy? We supply the benchmarks and lay the details bare

In a written deposition to court Steve Ballmer has denied all knowledge of the Vista Capable marketing program that resulted in a class action suit against his company.

Nvidia was responsible for almost half the Vista crashes reported to Microsoft in in a graphics-related crash report.

Finally, Microsoft comes clean about the failure of Vista and detail their plans for the new features to be released under Windows 7.

You've been raising some big questions in the forums about 64-bit. Here's our FAQ to 64-bit Vista vs XP, and whether it's worth the hassle if you're not a workstation user, but a gamer or power user.

Our full guide to saving cash-saving secrets is here, from how to get discounts on PCs, to SIM only phone contracts, the best DSLR cameras deals, and discount licensing from Adobe, Microsoft and others.

Microsoft's Vista advert of the day

Much improved program Start menu

Better search, Blu-Ray burning and easier Wi-Fi in the mix. Finally, a new reason to switch to Vista?

After Microsoft’s huge advertising campaign to support its Vista operating system Apple has gone on the offensive with a new series of adverts slating the move..

You have to build by-passes, Mr Dent

With the cut-off for XP sales fast approaching, what do you do if you're opposed to switching to Vista? Alex explains why you'd be best off with the "downgrade" option., and what it all means.

Much improved program Start menu

Much improved program Start menu

Vista sucessor due January 2010 - and Microsoft is assuring the world that this time, there won't be pesky "incompatibility" problems..