Windows 10 Update Assistant
support.microsoft.com › en-au › topicWindows 10 Update Assistant The Windows 10 Update Assistant downloads and installs feature updates on your device. Feature updates like Windows 10, version 1909 (a.k.a. the Windows 10 November 2019 Update) offer new functionality and help keep your systems secure. You’ll get these updates automatically after you download the Update Assistant.
Get the latest Windows update
support.microsoft.com › en-us › windowsIf you want to install the update now, select Start > Settings > Update & Security > Windows Update , and then select Check for updates. If updates are available, install them. If version 21H1 isn't offered automatically through Check for updates, you can get it manually through the Windows Update Assistant.