You can change your password, along with your other details by:
1. Clicking on your picture at the top-right of the site.
2. Then click the Account Settings link.
3. Through Account Settings, click Log in method
4. As you can see below, you'll need to type in your Current password.
- Then, enter your new password into the New password box.
- Then, enter it again in the Confirm new password box.
- Then, click the Save button at the bottom of the page, and your new password is set and saved.