At Plur-E we answer your questions:
Regardless of whether you are a new user or already have a Plur-e account, you must log in to the website https://plur-e.com/ and once inside the “Pricing” tab, select the package you want to buy and a new window will automatically open to start the registration.
If you already have a Plur-e account, click on the blue link “Return Login Page” and once authenticated
The system will take you back to the registration page, to finish the process.