![Satya Nadella](https://static-ssl.businessinsider.com/image/565c335cdd0895bb558b461a-3108-2331/rtr3mpge.jpg)
REUTERS/Robert Galbraith
Microsoft CEO Satya Nadella gestures during his keynote address at the company's "build" conference in San Francisco, California April 2, 2014.
$4, over two billion PCs have been shipped since 2009, meaning that Windows 10 has been installed on around 200 million devices.
The consumer and enterprise response to Windows 10 has been largely positive, with businesses adopting the operating system at a $4.
Jeremy Korst, the general manager for Windows product marketing, $4 that the company is seeing "seeing a Renaissance of the PC" and the data backs up this theory.
Microsoft's $4 is to have Windows 10 on over one billion devices - which means tablets, PCs, smartphones, and the Internet of Things - by 2019.
Here is a breakdown of how fast Windows 10 is growing:
![Windows 10](https://static-ssl.businessinsider.com/image/565ee56add0895bc158b45ec-933-680/screen shot 2015-12-02 at 11.41.56.png)
Business Insider
Windows 10 is growing at a pace.
Comparing Windows 10, which is free, to previous versions of the operating system is problematic. Paul Thurrot, a noted Microsoft blogger, did some $4 and found that Windows 10 adoption is exceeding Windows 7, the most popular version of the operating system, from the same period.
As of today, Windows 7 is used by 54% of the PC market - over one billion devices - with Windows 8.1 coming in second, with 11%.
The total share of Mac OS X, Apple's desktop operating system, $4 - roughly 158 million devices - meaning that Windows 10 has outgrown it. Next up, according to the data, is Windows XP.