Set up PIN sign-in

How to set up a Sign-in PIN for your Windows 10 laptop or Dell Board
Select Settings from the Start menu
Select Accounts in the Settings app
On the ACCOUNTS page, select Sign-in options from the options on the left
Click “Windows Hello PIN”, then click Add
Verify your Microsoft account password and click OK
Now enter a PIN for the device and click Finish
If you want to change the PIN at a later time, you can come back to the ACCOUNTS screen in the Settings app and click Change under PIN