You will need to Login and go to the "My Accounts" Tab.

  1. Select the Account you would like to perform the changes to. 
  2. Tap the Edit button next to the Leverage.

  3.  Choose the new leverage for your account and tap Submit

  4. The leverage is now updated. You will also receive a confirmation email. 

Kindly note: If you have any "open trades", you will be unable to change the leverage on the account until all of your trades have been closed.