First, put the Windows 7 installation disk into the optical drive, restart the computer, and set in CMOS to start with the optical drive.
1. When the installation interface appears, click "repair your computer" and select "command prompt" in the pop-up dialog box ).
2. After the System Command Prompt window is used, enter the cmdmmc.exe command and press the Enter key. The system will call the console.
3. Select "file"-"Add/delete management unit". A dialog box is displayed. In the dialog box, select "local users and groups" in the left-side window, and then click "add. At this time, the system will add "local users and groups" to "console node" and click "OK" to complete the Add process.
4. after the user is added, the system returns to the console operation interface, click "local users and groups" in the left-side window, and then click "users". The system lists all users in the right-side window. Right-click the logon user you want to crack and select "set password". In the "set password for account" dialog box that appears, click "continue ".
5. The New Password dialog box is displayed. In this case, the user does not need to enter the previous password in Windows 7, but can directly set a new password. After entering the new password, click OK. A dialog box is displayed, indicating that the password is set successfully.