If you purchase through, you'll work with the Kofax support team for refunds and customer service. When you purchase through a reseller, you'll need to contact them directly for refunds and customer service. What's the difference in buying a license through versus a reseller such as Staples, Office Depot or CDW? Please contact support or engage with a chat rep on any Power PDF web page and provide your serial number to get a discount code. If you have an older version of Power PDF, and upgraded Windows to v10, you may want to consider an upgrade. Nuance Power PDF 3.0, Kofax Power PDF 3.1 and Kofax Power PDF 4 are compatible with Windows 10 and Office 365.
What Power PDF versions are compatible with Windows 10?