
From January, Internet Explorer (IE) users will be automatically updated to the latest version of the browser.
Once IE is updated, future changes will be applied without a user's knowledge
Microsoft said it was starting the project to update millions of machines to improve security online.
Future updates to the browser would be applied without a user's knowledge to help beat scammers catching people out with fake updates.
Those who did not want their browser updated could opt out or uninstall the software, said Microsoft.
"The Web overall is better - and safer - when more people run the most up-to-date browser," wrote Ryan Gavin, Microsoft's IE boss, in a blogpost explaining the plan.
He said the data gathered by Microsoft for its security...