Microsft’s Chief Executive, Steve Ballmer revealed that company has sold some 400 million windows 7 license worldwide. Even then almost one half to two third of world’s personal computers are using Windows XP – which Microsoft is planning to not to support after 2014.

Ballmer told this at Worldwide Partner Conference in Los Angles.

Support for Microsoft XP will end on April 8, 2014 and  security patches and hotfixes for all versions of Windows XP will no longer be available after this date.

In a blog post, Microsoft said:

    Windows XP had an amazing run and millions of PC users are grateful for it. But it’s time to move on. Two reasons:

    1) Extended support for Windows XP is running out in less than 1000 days

    2) there’s an OS out there that’s much better than Windows XP.

Microsoft said that there are seven things that will help you move to Windows 7 and one of them includes Download of Windows 7 Enterprise 90-day Trial.

Windows 7 which was released in October 2009 has shown rapid increase in density as compared to windows XP in the recent years. According to data from Net Applications, currently almost 27% of worldwide PCs are using windows 7.

Microsoft has also claimed that Internet Explorer 9 is now “the most popular modern browser running on Windows 7 PCs in the US”. Company said that 17% of Windows 7 PCs worldwide are using internet explorer 9.

Talking about windows 8, Ballmer said that it is expected in late 2012 and furthermore he bared that windows 8 will be “a true reimagining of Windows PCs and the dawning of Windows slates.”