You want to change the password of your account
You can log in to your Willo account and click the "My profile" tab to modify your password. Creating a new password will require you to enter your current password.
You have lost the password of your account
If you have lost your password, just click on "Forgot password" and follow the instructions to reset it.
You can also access the reset page directly here https://www.willo.com/my-account/lost-password/