Log into your Coinify Trade Account and click on 'Account' on the menu. You will see the 'Reset Password' option after your personal information. When you click on the button, you will have to provide 'Old password', 'New password', and 'Repeat new password’.
Fill them in and click on 'Change'.
NOTE: Bear in mind that new passwords must be at least 8 characters long. You will be, from now on, able to log into your Coinify Trade account with this new password.