Windows Phone is the operating system that replaced Microsoft's now-redundant Windows Mobile. The OS introduced a new, user-friendly 'Tile' interface which gives users visual snippets of the their home-screen features. The OS also features 'hubs', which neatly categorise various activities on your phone, such as the People Hub for social networking, or the Games Hub, which organises your games and features Xbox LIVE support.
In June 2012, Microsoft announced Windows Phone 8. Aside from supporting more powerful phones, Windows Phone 8 also includes native code support, making it more popular among developers looking to port apps over from Windows 8, iOS and Android. Windows
Windows Phone 7 is not upgradable to Windows Phone 8, so customers interested in the latter OS will need to buy a handset that has it pre-installed.
For more details and lists of phones available for these operating systems, go to our pages for Windows Phone 7 and Windows Phone 8.