Windows 10 OS Worldwide (PCs)
October 2020 Update adds another 3% to its Windows 10 usage share for a total of 16.8%.
Close to 80,000 Windows 10 PCs were surveyed.
Windows 10 OS Worldwide History (PCs)
In January Windows 10 20H2 grew slower than it did in any of the previous months.
Note: we don't have the data for the initial rollout of the first update to Windows 10 (1511, also known as Threshold 2). So it's a straight line from 0 to the first data point we have on August 22nd, 2016.
Source: AdDuplex Windows Device Statistics reports