As Vista and Windows 7 share the same core code, Microsoft has decided to merely nudge up the version number (Windows Vista was 6) so that applications are tricked into thinking it's Vista they're dealing with

Keen to forget the PR nightmare that was Vista, Microsoft may have committed yet another blunder: Windows XP users will not be able to upgrade to Windows 7 without a totally clean install.

The company promises that Windows 7 will be the best version of its operating system yet, critical acclaim has often eluded Redmond. We've decided to count down the ten best products ever to come out of Redmond, from DOS 5 to Flight Simulator and NT 4.0

Vista felt sluggish, bloated and slovenly, but has Microsoft made Windows 7 any faster for those who crave the ultimate performance from their PC? Here are the benchmark results.

BitLocker first reared its head in Windows Vista, but the scope of the encryption software has been extended in Windows 7. Since Vista's launch, lost or stolen USB drives have become an enormous security liability.

PC gamers are among those most likely to benefit from any improvement in raw performance, so does Windows 7 bring any glad tidings for 3D action aficionados?

Last week, in honour of the Windows 7 launch, we covered Microsoft's biggest successes in the computing field. This week, in the interest of balance, we're looking to the company's dark side..

Disable spyware functionality within Windows

Four men have been jailed in China for creating and distributing a version of Windows XP with authentication and certification systems disabled..

In the September issue of PC Authority, we gave you the inside scoop on how the Windows 7 Release Candidate stood up to our tests. Here's a recap of our gaming benchmark results

Host multiple virtual operating systems

People are still willing to queue up in the middle of the night to buy the first few copies of Windows 7

The single biggest reason for existing laptop owners to upgrade to Windows 7 is something unique to this release: it actually requires less horsepower than Vista. That's good news for netbook owners!

With only Dell's disappointing Inspiron Mini 12 so far released, Samsung doesn't have a great deal of competition at this size. The NC20 has six-hour battery life, fine performance and a superb display

A slow booting PC is one of the long running annoyances for Windows users. So have things improved in Windows 7?

As Microsoft gears up for its big OS release, people might be surprised to learn about another Windows 7 other secret: better wireless connectivity.

Microsoft's Security Essentials is officially available from today, offering free protection against malware for any PC user with a valid copy of Windows from XP Service Pack 2 onwards.

Windows 7 can't stop Mac OS X The latest figures from Net Applications suggest that Windows 7 has failed to attract any interest and the Mac is set to become the dominant operating system in the world

The much-criticised Vista operating system losing market share even before Windows 7 arrives.

With Windows 7 arriving soon, is now the time to upgrade to 64-bit? Here's the first part of our guide to everything you need to know