To begin our adventure together, go to https://portswigger.net/burp and download the edition of the Burp suite you wish to use. The page provides a slider, as following, which highlights the features of Professional and Community, allowing you to compare them:

Many readers may choose the Community edition to gain familiarity with the product prior to purchasing.

Should you choose to purchase or trial the Professional edition, you will need to complete forms or payments and subsequent email confirmations will be sent to you. Once your account is created, you may login and perform the download from the links provided in our account.