In the upper right corner of the platform, click on your avatar and then on the "Edit profile" option.

Fill in and/or change the fields as needed, then scroll down and click the "Save" button.

In the upper right corner of the platform, click on your avatar, and then on the "Security" option.

Enter your current password in the "Password" field, then create a new password, repeat it in the following fields, and click "Save."