I want to guide you on how to order and purchase a lifetime license on the pricing page of the PDF Expert website.
Visit this link: https://pdfexpert.com/pricing
You need to select the lifetime option plan. Next, click on the big button to go to the next step:
Process to the checkout page.
Apply the coupon code to get a discount (get coupon codes here) if needed. Otherwise, you can go to the next step:
Click on the pay now button to complete the order.
Next, download and install the PDF Expert app on your Mac or Macbook.
Here is the direct download link: https://pdfexpert.com/downloads