You have 2 different ways to change your password.
Firstly, you can change or reset your password by clicking "Forgot password?" on the main Login page.
To reset your password enter your email address.
A confirmation link will be sent to your email. You should just follow the link from the letter to set a new password and log in accordingly.
You can easily change your password in your admin panel as well.
Go to the Profile settings and choose the Security folder. In the Password change section create a new password and click on the Save button.
Please note that password security is the user's responsibility. We recommend you to create a unique and strong password to protect your data and update it regularly.