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Latest Operating systems

Windows 8.1 split apps
Microsoft Windows 8.1
Operating systems

Many fixes and improved features, but the return of the Start button is more a sop than a turn-around

£75 inc VAT
Windows 8
Windows 8 review
Operating systems

The two halves of the OS may feel rather disjointed, but Windows 8 is fast and does a lot of things better than Windows 7

£120 inc VAT
Ubuntu 12.10
Ubuntu 12.10 review
Operating systems

We like the cloud integration and where the OS is going, but the Amazon results are too intrusive

Apple OS X 10.8 Mountain Lion Mission Control
Apple OS X 10.8 Mountain Lion review
Operating systems

Neat iCloud integration, but some of the features aren't much use and some won't reach their full potential until iOS 6

£14 inc VAT
Ubuntu 12.04 Dash
Ubuntu 12.04 review
Operating systems

Unity has come of age, while the HUD shows how the interface will progress in the future - it's is everything we want from a LTS version