To find this information in Windows 10, launch the Task Manager by pressing Ctrl+Alt+Del and clicking on Task Manager.
Navigate to the Performance tab. If your Task Manager does not have such a tab, make sure to click on 'More Details' at the bottom. You can also press Windows+i to open the Settings app, then search 'About this PC'
Find the 'GPU 0' section on the left hand side of the screen.