The biometric facial recognition is more secure and user-friendly than password. Once you added Windows Hello PIN to your computer, you can check whether Windows Hello Face or Fingerprint is available on your device. If you want to remove or change your PIN, you can refer to the following post: How to Remove/Change/Reset PIN Windows 10. If you want to use letters and symbols as well, you can check Include letters and symbols. By default, the PIN is required to contain numbers only. Step 3: Input the PIN you want to set to the both boxes and click OK. Step 2: In the pop-up window, input your Microsoft password and click OK. Step 1: Click Windows Hello PIN and click Add. So, let’s see how to set up this sign-in option first. Windows Hello Face and Fingerprint will be unavailable if you haven’t set up a PIN code.