- Press the Windows key + R on your keyboard to launch the “Run” dialog box.
- Type in control userpasswords2
- Press Enter. The User Accounts window will display.
- Uncheck the option “Users must enter a user name and password to use this computer”
- Click “OK”
- You will then be prompted to enter the current password and confirm it.
- After doing so, you will no longer be prompted to enter your password upon login.
I found those instructions here: