Click the Win button on your keyboard (the Windows logo button in the bottom row of the keyboard). You will see "start menu".
Right-click the mouse on the icon "Computer" and select "Properties". PED you will see a window "System".
In the left task pane click on "device Manager". The operating system will ask for permission to continue. Click continue if needed, enter the administrator password of the computer.
Before you open the device Manager, it allows you to view all installed on the computer hardware, and configure its properties. Find the line Network adapters and click "+" next to it in the ensuing list are all the network cards of the computer.

A string with the name of the network card is: "Realtek RTL8139/810x Family Fast Ethernet network adapter".