Quote:I run an Insider Build version of Microsoft's Windows 10 operating system on a separate PC to keep up with development. Joined the Insider Program when Microsoft made it available publicly and have been an Insider ever since on that device.

For the past week or so, Windows 10 would display the "This Build of Windows will expire soon" notification on the desktop PC.

I assumed at first that I had not updated to the latest build but a check under Settings > Update & Security returned no new builds.

I read on Softpedia that Microsoft would start showing these notifications on systems running earlier builds; the December 14th deadline matched the description, and a version check revealed that the build was indeed not the latest.

Tip: Just open Start and load winver by typing it and hitting Enter to get the build number and version of the operating system.

Full reading: https://www.ghacks.net/2018/12/03/resolve-this-build-of-windows-will-expire-soon-notification-on-windows-10/