This video shows you how to set picture password in windows 10. Windows 10 lets you use a picture password in Windows 10 if you do not wish to use a Microsoft account password to log in to your device. After you have initially signed-in to your device you can then create a picture password in Windows 10 and use that, instead.
To set a picture password logging system on your Windows 10 PC or tablet:

01.Click the Start button and select Settings from the menu
02.Choose Accounts
03.On the left, select Sign-in Options
04.From this screen you can choose between:
Changing your existing alphanumeric password
Logging in with a PIN
Logging in with a picture password
05.Click the Add button under Picture Password and type in your current password
06.Click OK
07.Follow the onscreen steps to set up your picture password, including:
Choosing a personal photo from your PC’s hard drive
Drawing a series of three gestures on the photo
Confirming the gestures
08.You can now sign in by performing these gestures over the photo to get into your PC or tablet.