A new interface and extra web-protection capabilities make AVG our top free antivirus choice

A modular scanning tool that catches most unwanted software – but not quite all

A winner on the strength of its excellent protection, coming first or equal-first in our malware and firewall test.

A simple package whose two detection engines ensure great malware detection, but it fails to inspire in other areas.

With peerless detection capabilities, this well-conceived package towers over its rivals.

With peerless detection capabilities, this well-conceived package is a joy to use.

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

Fifteen security packages go head to head in our labs test, including Kaspersky, Norton, ZoneAlarm, McAfee, F-Secure and AVG. Find out which will keep you safe and which could let you down.

A fierce protector when it comes to web threats, but merely middling elsewhere

Clean, clear and light on its feet, but with few extras.

A quantum leap in usability over the previous version, although malware protection could still be better

Is it worth paying for the full version of AVG Internet Security?

A well-featured package with some unusual tricks that falls just short of a first-rate performance.

A do-it-all package that detects an exceptional range of malware

A friendly suite for the less-experienced user, but technical types may find it limiting.

A free package that scores highly, beating almost all its big-name competition. It’s just a shame it’s such a nag

After the disappointment - perceived or otherwise - of Windows Vista, many are pinning their hopes on a revival with Windows 7. And from our first impressions of the pre-beta code, that's exactly what they can expect.

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