You can follow below steps to change WindowsServer user password:
- First login to your Windows VPS server.
- After that click on Start button.
- Now here click on “Administrative tools” and then you will find “Computer Management” option.
- Navigate to Local Users and Groups >> Users
- Choose Administrator and right click on it, you will find “Set password” button and click on “Proceed”.
- In the opened dialoge box you have to enter “New Password” and “Confirm Password”.
- Click on “OK” button.
- Now you can use new VPS password to login.