Device Manager is an extension of the Microsoft Management Console that provides you with a central and clear overview of all hardware recognized by Microsoft Windows that is installed on a computer.
Complete Windows 10 Device Manager Tutorial for Beginners
You can manage the hardware devices installed on a computer, such as hard drives, keyboards, sound cards, USB devices, and more, through Device Manager.
You can use it to change hardware configuration options, manage drivers, enable and disable hardware, identify conflicts between hardware devices, and much more.
Think of this tool as the primary hardware list that Windows understands. All of the hardware on your computer can be configured from this centralized utility.