So to the big question: why upgrade to 64-bit at all? Simply put, a 64-bit operating system offers three inherent benefits.

How important is RAM size to the way we use 64-bit Windows? And are there other ways to get around the problem? We offer a couple of tips to get you through your 64-bit RAM blues.

Are 64-bit operating systems compatible with your computer and existing software releases? Is it really worth the hassle

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

Google has revealed that it is working to deliver a 64-bit port of its Chrome browser for Linux users..

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It is starting to look like things are going to heat up on the GPU front as Nvidia and AMD go head-to-head in the next month or so.

Revolutionary features and stunning power: for anyone lucky enough to have the cash, the Lenovo ThinkPad W700ds is the ultimate mobile workstation

The Green Goblin has been showing off its Fermi architecture at its GPU Technology Conference in San Francisco.

Microsoft has admitted that Windows Vista is shipping with a bug that was first discovered in Windows machines in 1999.

The Commonwealth Scientific and Industrial Research Organisation (CSIRO) has put together a supercomputer that's based around a cluster of graphics processing units (GPUs)

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It’s missing a couple of key features, but nevertheless, Vegas Pro is highly sophisticated and quick to use for serious video editors.

We've tested a massive 25 netbooks to provide a list of the best and worst mini laptops, with one surprise winner. Also, see our big TV set top box guide, in the new issue of PC Authority

The new test build of the Exchange 2010 email platform is feature complete, ready for pilot deployment, and available to download now from the TechNet site

A new behavioural analysis module only adds to AVG’s capabilities, although it isn’t the most elegant marriage

Mozilla said the latest version of its Firefox browser 3.0.11 was downloaded 150 million times during the first 24 hours it was made available..