They may ask for your email or personal info in exchange for a "key" that doesn't exist.
: doPDF is built by Softland, the same developer as novaPDF . Many users searching for doPDF keys are actually looking for advanced features (like digital signatures or OCR) that are only available in novaPDF. novaPDF requires a formal activation process to verify genuine copies. How to Use doPDF 11 Without a Key dopdf 11 activation key