Controls to setup the finger print software is found in the “Users” portion of the Systems Settings. Typing in “Users” in the home screen should bring up the item you need as the top result or near the top. Otherwise selecting your user icon in the lower right portion of the screen will enable you to open the “Settings”.
“Users” is part of “Details” which is near the bottom of the list of items on the right of the main Settings window. Select “Users”, The fingerprint setting should show up in the area of your personal setting where you would set or change your password.