: You will miss out on critical security patches and new features provided in official builds, such as the recent Version 10 updates . Better Alternatives for PDF Editing
If you decide to upgrade for premium features like form creation or advanced OCR, here is the official Volume Pricing : Single User License PDF-XChange PRO : You will miss out on critical security
: Unofficial modifications to software files can cause frequent crashes or corrupt your PDF documents. : You will miss out on critical security