Apple on Thursday said OS X Lion topped 1 million downloads in just one day.

[ad#Google Adsense 300×250 in story]”Lion is off to a great start, user reviews and industry reaction have been fantastic,” said Philip Schiller, Apple’s senior vice president of Worldwide Product Marketing. “Lion is a huge step forward, it’s not only packed with innovative features but it’s incredibly easy for users to update their Macs to the best OS we’ve ever made.”

Lion is officially the fastest selling OS release in Apple’s history.

Of course, Lion introduced many new features — more than 250 according to Apple. New features include Multi-Touch gestures; system-wide support for full screen apps; Mission Control, an innovative view of everything running on your Mac; the Mac App Store, the best place to find and explore great software; Launchpad, a new home for all your apps; and a completely redesigned Mail app.