Enable Parental Controls on Fire TV to require a PIN before making purchases or accessing content with specific age ratings. Note: For Echo Show 15 users, access Fire TV Settings within the Settings menu of the device.
1. Navigate to Settings on the Fire TV homepage.
2. Select Preferences.
3. Choose Parental Controls.
4. To activate parental controls, input your PIN.
5. Select your preferred options. Depending on your selections, you'll be prompted to enter your PIN before accessing restricted content, making purchases, or opening apps.