After reading the agreement, go to the next step. here you will find the similar screen as follows:
Here, you have to fill up the form and proceed to the next step. The next screen will be like this.
Here, your account holder informations and E-Mail address, your local address etc. will be asked for. After compelting these processes, go to the next step as the following screen will be appeared:
Here you make your username and password as asked. Put your secret question there in case of forgetting the password.
After completion of these processes, your account creation confirmation screen will be shown as like this:
Here you will get your Customer Number which is called as SID Number. After getting this, you can insert a code snippet provided by 2checkout.com
For managing your account you can log in into your account. For this please go to the link http://www.2checkout.com/2co/login. Here you can manage your account viewing all options for your buyers for their invoice formats, help, messages etc.
After login your account, Please set up some changes there in your account page. To do this, Please follow the instructions below.