You can update your password in your dashboard. To do this, log in to Orchestra and click on the circular button in the top right-hand corner with the letter of your first name in it.
A drop down will appear, showing several options. Click the 'My Account' button.
From here, you can update your password by entering a new password and confirming it in the next box.
Once entered, click 'save' and your password will be updated.