Microsoft has been fined £484m by EU regulators for breaking a promise to offer European consumers a choice of web browser.
A web browser is a computer programme that allows a user to read internet pages.
Microsoft's share of the European browser market has more than halved since 2008 to 24%.
Google's Chrome has a 35% share, followed by Mozilla's Firefox with 29%, according to Web traffic analysis company StatCounter.
Internet Explorer is currently in third place, ahead of Apple's Safari.
More top news
An intrepid group of activists is taking its message of independence to new heights by leaving giant 'Yeses' on hillsides across Scotland.
Newly-released documents reveal how British spymasters used an enticing female agent to test the mettle of rookie spies.
Researchers studying the King's remains believe he died after sustaining numerous blows to the head.