The latest version of Windows 10 isn’t also the most-used version of Windows 10, as nearly half of all those who upgraded to Microsoft’s operating system are still running a one-year-old release.

Statistics provided by AdDuplex show that currently the number one Windows 10 version is the May 2019 Update, or version 1903, which is powering 50.7% of all Windows 10 PCs out there.

The November 2019 Update, or version 1909, is improving every month, but this doesn’t necessarily mean it can take over version 1903 before a new release comes out. Microsoft is expected to ship Windows 10 version 2004 in the spring of this year, most likely in April or May, and given the difference between these latest two feature updates, there’s a good chance more time is needed for a switch of places.

“November 2019 Update has grown at a steady pace over the last few months,” AdDuplex explains.

“One interesting tidbit is that usage of all old versions of Windows 10 increased a bit since last month. This is likely due to the fact that people in self-isolation are using unusual PCs that weren't kept up to date.”
"Older Windows 10 versions"

And of course, there are plenty of those sticking with even older Windows 10 versions.

For example, no less than 11.4% of all Windows 10 devices are still running Windows 10 October 2018 Update, or version 1809. As a side note, Windows 10 version 1809 was considered the buggiest of all releases, with Microsoft pulling it only a few days after the original launch due to a bug potentially causing loss of data.

A total of 5.5% of devices are powered by Windows 10 April 2018 Update, or version 1803, according to AdDuplex, while Windows 10 Creators Update and older are currently running on 2.2% of all Windows 10 computers.

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