In order to enter your account settings, click the “Settings” button in the upper right part of the main page.
Security settings(screenshots here)
You need to click the "Forgot password" button near the "Login" button, then fill in the password recovery form, in which you need to specify your email (which you specified when registering to exrates.me)
Enter the CAPTCHA and click on the "Recover password" button. Then, please check your email box and follow the instructions sent to you in the email.