Hi @26778214 Thank you for reaching out to us, As I understand you have been prompted to change the PIN on your device.
PIN which is being prompted on your windows device is known as Windows Hello (tied to the device) is a more personal, more secure way to get instant access to your Windows devices using a PIN, facial recognition, or fingerprint.
Please refer to this https://support.microsoft.com/en-us/windows/change-your-pin-when-you-re-already-signed-in-to-your-device-0bd2ab85-b0df-c775-7aef-1324f2114b19 which has the steps on how to reset the pin.
Let me know if you have any further questions, feel free to post back.
Please remember to "Accept Answer" if answer helped, so that others in the community facing similar issues can easily find the solution.