Install the freeware Mimikatz. It's an open source software and you can run the vault::list command to decrypt the local account password:
http://www.top-password.com/knowledge/recover-windows-8-pin-code-picture-password.html
This security vulnerability is also reported by passcape...
Use the freeware ISO2Disc and you can make a windows to go drive from windows 10 or 8 iso file. I suggest you use a USB 3.0 drive for good performance.