To help keep all Windows 10 systems secure and to provide the latest features and improvements, the Windows 10 Update Assistant downloads and starts the installation of the latest version of Windows 10. The Windows 10 Update Assistant will be deployed to Windows 10 PCs that have not yet had the latest update installed.
Note This tool does not support Enterprise editions.
To determine whether you have latest version of Windows 10, check which version of Windows your device is currently running. To do this, click the Start button, and then click Settings > System > About.