How to disable password windows 10 lock screen

 1.enter a bootable pendrive and restart

2.then keyboard dell press to go bios setting then select pendrive

3.Repair your computer -> troubleshot -> advanced options -> command promt

->c: enter ->cd windows -> cd system32 ->ren utilman.exe   utilman_back.exe 

->copy cmd.exe  utilman.exe  

->enter

->exit

turn off pc 

then, on pc

->easy of access

->control userpassword2 ->enter

->reset password

->exit