Using Command Prompt
Go to the command prompt and enter:
net user
E.g.
> net user Mark p@55w0rd
If there are people near you and you don't want them to see the Password you type, enter:
net user *
E.g. > net user Mark *
> Type a password for the user:
> Confirm the password:
Related Articles
To use this Classic User management, go to Start –> Run –> control userpasswords2
This will open the classic user accounts management window. Select any user and Select Reset password.
Using Control userpasswords2
To use the computer management console to change the passwords of the users, right click My Computer –> Manage –> Local Users And Groups –> Users
Right click the username for which you want to change the password and select Reset Password.
If you have any other method of changing the password, please let me know through comments. Thanks.