As the sun sets on Microsoft's support for Windows XP this may be a great time to think about trying out a Free and Open Source Software (FOSS) operating system for your still-working PC.

As operating systems go, Windows XP has had a fantastic run since debuting 13 years ago. It can be still found on nearly 28 per cent of the desktops in the world. It is the second-most installed desktop operating system, behind Windows 7, and it can be found in banks, government departments, in desktops across China and India, and in automated teller machines (ATMs). So why, as of tomorrow, is Microsoft ceasing support for its iconic operating system?

On 8 April, Microsoft will officially cut off support, service, and security updates for Windows XP. It's been a long time coming, but depending on where you stand, it's either overdue or absolute Armageddon. If you're just coming out of the Windows XP world and need help, here are some tips to help you get your bearings.

Hey Lifehacker, So we are now days away from Windows XP reaching the end of service. I don't believe there has ever been a situation where so many computers will be left vulnerable in this way. It has more than 10 times the market share Windows 98 had when support ended for it. This is unprecedented, right? Is this likely to be a really bad time for an awful lot of people?

Almost 13 years after its release in October 2001 to a world still in shock after the 9/11 terror attacks, the sun is finally setting on Microsoft's Windows XP. The operating system has been the software in many home and work PCs but for die-hard users who continue to use XP, danger that way lies.

If you're still making your staff suffer by running Windows XP, the end is nigh: extended support for XP ends on 8 April, 2014. Whether you need to urgently migrate from XP or you're contemplating a shift to a newer version of Windows, here are some key principles to keep in mind.