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Global Windows 10 marketshare nearly doubled in one quarter

Windows 10 is Microsoft's most important OS ever
Windows 10 is Microsoft's most important OS ever

Two independent analyst firms have started to track Windows 10, with some promising indications about its growth potential.

51degrees's data shows that Windows 10's market share grew seven fold to 0.07% of the total Windows OS while rival NetMarketShare pegs Microsoft's latest OS at a more 0.09% of the global desktop OS market share, up from 0.05% in February.

That's ahead of Windows NT and Windows 2000 but far, far behind the likes of Windows Vista and Windows 8 (3.5% and 1.95% respectively).

Expect that to change almost immediately as Windows 10 goes live, Microsoft having already announced that it will allow existing Windows 8.1 and Windows 7 users to upgrade to its new flagship OS for free in the first year.

Windows 7 remains by far the most popular Microsoft OS with about 58% of the installed based, far ahead of Windows XP and Windows 8.1.

More than 3.7 million users have signed up for Microsoft's Windows Insider Program which provides access to Windows 10 and Windows 10 for phones.

The Washington-based company has also set itself an ambitious target at its BUILD developer conference, targeting one billion Windows 10 installations within three years.

Desire Athow

Managing Editor, TechRadar Pro

Désiré has been musing and writing about technology during a career spanning four decades. He dabbled in website building and web hosting when DHTML and frames were en vogue and started writing about the impact of technology on society just before the start of the Y2K hysteria at the turn of the last millennium. Then followed a weekly tech column in a local business magazine in Mauritius, a late night tech radio programme called Clicplus and a freelancing gig at the now-defunct, Theinquirer, with the legendary Mike Magee as mentor. Following an eight-year stint at ITProPortal.com where he discovered the joys of global techfests, Désiré now heads up TechRadar Pro. He has an affinity for anything hardware and staunchly refuses to stop writing reviews of obscure products or cover niche B2B software-as-a-service providers.