Sam Singleton The first, and easiest way to check the version and build number of your Windows OS is to use the built-in Winver tool. Simply type “winver” into the search field in the taskbar.

A quick guide on the three ways to determine the version number of the operating system in Windows.

Checking the tech specs can be handy when replacing a hardware component or troubleshooting a problem, and this guide will show you how to complete this process on Windows 10.

Support for Windows 10 ends in October 2025. We explain how to update to Windows 11 24H2 and what you need to keep in mind.