In User Profile & Settings, select Security Settings.
Both options are on this tab.

Trading Help Center › Accounts & settings
Set a new sign-in password, or update the security questions used to confirm it is you.
How to use this guide: Follow the numbered steps in order. Each heading names the button, field or control to use, the note below it explains what happens, and the pointer on the screenshot shows exactly where to click.
10 Step-by-step guide
Set a new sign-in password, or update the security questions used to confirm it is you.
Both options are on this tab.

A window opens with three password fields.

This confirms that it is you making the change.

Choose a password you do not use anywhere else.

Both entries must match exactly.

Use the new password the next time you sign in. Select Cancel to keep your current password.

You set three questions, which we use to confirm your identity.

Pick one of our pre-supplied questions, or create your own.

Use a question whose answer only you know and will remember.

Remember exactly how you spell it, as you may be asked to type it again.

Your new questions replace the old ones.
