Final answer:
The Windows Device Manager utility is used to check for installed network adapters on a system. It provides a comprehensive list of all hardware components, including network interfaces.
Step-by-step explanation:
You can find out which network adapters are installed in your system by using the Windows Device Manager utility. This tool lists all of the hardware components installed on your computer, including network interfaces. You can access the Device Manager by typing 'Device Manager' into the search bar on the taskbar or by going to the Control Panel. Once opened, you can expand the 'Network adapters' section to view a list of wired and wireless adapters currently installed on your system.