If you forgot the password for your Windows account and are unable to log in using any other account, then this article will definitely be useful for you. Today, we will see how to reset the account password in Windows 8, Windows 8.1 and Windows 7 without using third party tools. All we need is bootable media with Windows Setup. The instructions are applicable to all mentioned versions of Windows. Also, you can reset Windows 7 password using Windows 8 boot disk and vice versa. Follow the instructions below.