If you are already logged in to your Credly account, visit the "Account Settings" menu from the user menu at the top right corner of the site.
Click the pencil icon next to the Password section and enter your password twice. Then click the "Save Changes" button below.
If you cannot remember your password and cannot login, click the "Sign In" link at the top right corner of the Credly.com site, and then click the "Forgot your password" link. Enter your email address and a new password will be sent to you.
After you login, visit the "Account Settings" area from the user menu at the top right to change your password to something secure and easy for you to remember.