What is the global market share of Win10 official version?

Various survey agencies are telling people how many times Win10 has been downloaded, and how many people are using Windows 10. However, Win10 installations and global share are still a mystery. Microsoft previously announced that within 24 hours, Win10 installed more than 14 million, currently estimated between 5,000 and 67 million units, but there are other claims in GoSquared in the UK.

UK data analysis company launched a Win10 installation GoSquared amount of real-time statistical tools, it is difficult to determine the exact number in this page, fortunately GoSquared gives some interesting reading. So what is the share of Window10? At the time of this article's release, IT House intercepted real-time image display, Win10 accounted for 11% of the entire Windows device.

As mentioned above, the numbers are changing in real time, there will be large fluctuations, such as a 10% jump from 13% directly, and then fall.
Through the data table given by GoSquared, we can see the development trend of Win10 usage rate, and the trend is obvious and steadily rising. After the official release of Win10, it reached a peak on August 8th, about 15%.

GoSquared acknowledged that the data can not be guaranteed to be 100% accurate, but it should be affirmed that the growth trend Win10 installation amount is correct.