: Purchase directly from the Tracker Software Store to receive a digital key via email.
If you're looking to buy a fresh license, here is what to expect for a single-user setup: PDF-XChange Editor - Volume pricing chart pdfxchange editor 90 license key
A license key specifically issued for version 9.0 will continue to work for that version indefinitely. however: : Purchase directly from the Tracker Software Store
: Using the Pro features without a valid license key will result in a "Trial" watermark being placed on every page of your saved documents. pdfxchange editor 90 license key