How do I buy PDFpen or PDFpenPro?

To buy from within the product itself:

There are a few ways to buy PDFpen/Pro:

Buy PDFpen or PDFpenPro now from here.

1. Select Purchase / Register... from the PDFpen (or PDFpenPro) menu.
2. Follow the windows to purchase.
3. Your name and serial number will automatically register the product.

NOTE: You will also receive an email with your serial number.

If you ever need to enter your information manually, from the PDFpen (or PDFpenPro) menu:

1. Select  Purchase / Register again.
2. Enter your name and serial number from the email.
3. Click the "Register" button.