This is the last number shown in the version number column, like7600for Windows 7.
Some sources note the build number in parenthesis, like6.1 (7600).
[2] Windows XP Professional 64-bit had its own version number of 5.2.
Lifewire / Xiaojie Liu
How to Update Windows
To update Windows to the newest build number, useWindows Update.
The built-in Windows Update utility is the easiest way tocheck for and install Windows updates.
It’s the simplest way to keep Windows updated to the latest version number.
Major Changes in Windows 10
Microsoft introduced several changes to the Windows operating system with Windows 10.
