Step 1: Log in to your website, Sitefinity CMS, with your current username and password.

Step 2: Access your User Profile
From the profile screen, click on the Change Password button.

Step 3: Set your new password
Enter your current password in the 'Current Password' text box  Then enter a new password in the 'New Password' text box and repeat it exactly in the 'Repeat New Password' text box. Click the Save Changes button.