To open Windows 10 Settings (see the following picture), there are three methods for your option.
Video guide on how to open Settings in Windows 10:
Way 1: Open it in the Start Menu.
Click the lower-left Start button on the desktop to expand Start Menu, and then select Settings in it.
Way 2: Enter Settings with keyboard shortcut.
Press Windows+I on the keyboard to access Settings.
Way 3: Open Settings by Search.
Tap the search box on the taskbar, input setting in it and select Settings in the results.