You will be automatically registered to PayU myAccount service when you first place an order in the PayU network. You can retrieve your login credentials using the ‚‚Retrieve password’’ function here: https://secure.http://www.payu.ro/myaccount/
If you are trying to use myAccount for the first time, go to the login page and choose to option Forgot your password? Click here. The system will generate a random password which you will be able to change afterwords.