Just boot your laptop from Windows install disc, and you can reset your forgotten password or create a new user with the following backdoor:
https://www.howtogeek.com/96630/how-to-reset-your-forgotten-windows-password-the-easy-way/
https://www.top-password.com/knowledge/reset-windows-10-password-without-reset-disk.html
This method works with Windows 7, Windows 8/8.1 and Windows 10.