First log into your 2slick.com account:

1. Open a web browser and navigate to 2slick.com.
2. Click on the "Login" link at the top right of the screen.
3. Enter your login details and click the 'Login' button.
4. If you have any invoices due, they will be listed in the 'Due Invoices' section.
5. Click the 'View Invoice' button next to the invoice you want to pay.
6. Click one of the PayPal button options, at the top right of the screen, to proceed to PayPal and complete the payment process.

Note: The subscribe button is a convenient option for recurring payments. This option is only available if you are paying your invoice on time.