Hello, how are you?
Welcome to the Microsoft Community!
My name is Paloma B., I'm an independent advisor, I'm here to help you in the best possible way.
In this case I strongly recommend that you perform a clean installation of Windows.
Through this procedure everything will be erased and windows will start from scratch, without data and passwords.
Please access the link below and perform the thread procedures.
http://answers.microsoft.com/en-us/insider/wiki...
I await news.
If these procedures helped you in any way, please click on "I solved my problem" and also mark as an answer, so you can help others users.
We will always be available for whatever you need!