Login as admin
go to system management
-- > payment gateways
click the button add new payment gateway
Then
enter this info
Payment Gat way name : PayPal
Payment Gate way Link : http://paypal.com
click add payment gate
way
now click on the icon first from the right
and last from the left
now you will see two buttons
Form Type(Post/Get)
and Querystring Type
click on querystring type
Link Name (
This will be displayed to user) : enter any name of this link like Premium
account (10$) or nay other you like
Type link with all variables : here you
must enter paypal payment link , you can go to paypal and generate a payment
link for emails , you need to copy paste that here
click the button add link
now you will see a + button next to
payment gate way , you can add as many payments for paypal you like
now go to preferences under accounts
types and select to display only paid accounts allowed, this option will only
display paid accounts with links you have just generated, if you choose any
other option than this then paid accounts will still be displayed but with that
option like if you choose free trail accounts the options for users to create a
free trail account as well as the paid account links will be there