When you pay using PayPal, you will be given the option to subscribe and your payment will be taken automatically every month.
You can login at https://www.hostmeva.com/client/ Once logged in click on "My Invoices" to view any due payments. Depending on your invoice you can make a one time payment by clicking the button that says "CheckOut" or you can set your payment to be taken automatically every month by clicking "Subscribe" (Recommended).