The password for withdrawal was shown to you at registration, highlighted in red. If you have lost it, it must be restored.
You can recover your password by clicking on the link: https://dexly.pro/password-recovery
Check the SPAM folder. It is possible that an email with the password got there.
Please note! If the amount on your account is more than $500 – you will need to send a photo where you keep your ID in front of your face, having closed your signature with a piece of paper marked Dexly.