Quote:Update Manager for Windows, short wumgr, is a free portable program for Microsoft's Windows 10 operating system to regain control of updating.
Microsoft changed updating in the company's Windows 10 operating system by removing some control over the update process and making updates more automatic than before.

While it is still possible to delay feature updates, install optional updates, or switch over to manual updates on Windows 10, installing updates on Windows 10 machines is not a very pleasant experience if Windows Update is used.

Windows administrators who want more control can use third-party tools like the excellent Windows Update MiniTool.

Full reading: https://www.ghacks.net/2018/10/15/update-manager-windows-wumgr/