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

The hot little seller makes the big leap from Linux to XP, with a small price jump.

Microsoft has published a release candidate of XP Mode for Windows 7

Microsoft this week released public previews of the 64-bit editions of Windows XP and Windows Server 2003 as it changed the official names of the high-end operating systems.

Two new vulnerabilities in Internet Explorer 6.0 were unveiled by a security firm this week that hackers could exploit to bypass security features even in Microsoft's most secure OS, Windows XP SP2.

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.

If you're installing Windows XP SP3 on multiple machines, or you still haven't got around to downloading it at all - you'll be pleased to learn Microsoft has released SP3 as an ISO image you can burn to CD, and then install from disc.

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?

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

Physical RAM is a relatively limited resource and when it’s running low Windows uses the slower hard disk as a virtual memory area called the swapfile. Here's how to get it running in top shape.

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!

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