Since the release of Firefox new version at least 500,000 people have downloaded even one day ago.
Mozilla, which makes the number two web browser, has been maintaining a immediate map appearing where in the world users are installing the software.
In spite of the quick uptake, downloads have been slower for version 4 than its forerunner.
More than the previous year, Firefox's market share has decreased shortly in the due to the competition from Google's Chrome.
Firefox 4 was made accessible for download below a month after Microsoft launched Internet Explorer 9, the current version of its market’s superior browser.
Both versions of software assure users a quicker, safer online experience.
Firefox, in the same way of its opponents, now produces excessive use of HTML 5, one of main the programming languages utilized to develop websites.
Both browsers feature hardware acceleration when showing HTML 5 pages - drawing on the power of a computer's graphics processor to enhance the speed of complex visuals.
During its first 24 hours, at least 5.5 million users had downloaded Firefox 4. But that falls little of the 8 million who downloaded version 3 on its launch day in 2008.
The lesser figure may be described by the prevalent existence of pre-release versions of Firefox 4 in the months in front of its launch.
According to Net market share, Firefox has entertained quick development since it first showed in 2004. At its climax, in 2009 it held a 24% market share. However, by February 2011 its portion of the browser market had declined to 21%.
While Google's Chrome browser has increased from 1% to 10%, according to the same figures.
Internet Explorer remains the dominant platform even though its fall has been the most abrupt from 68% in March 2009 to 56% in February 2011.
Some experts think that Firefox could still protect a larger version of the rising fragmented market, particularly among commercial users.
Ovum analyst Richard Edwards said."Internet Explorer 9 is only for Windows Vista and 7. Two thirds of business organizations are still utilizing Windows XP. said Ovum analyst Richard Edwards.
"If you wish for make the most of the HTML 5 material that is out there then you have to go to IE9 and a Windows 7 advance or switch to Firefox.
He said, that may be an important chance for Firefox.