Where do I find my activation code (Scanmarker Air)? Esther Gerber Updated May 18, 2018 17:47 Follow You will find your activation code at the bottom of the warranty card that was included in your package. Related articles How do I activate my scanner? How do I install the software? Scanmarker Air Windows & Mac User Manual Where do I find my activation code (Scanmarker)? Compatible Devices Comments 0 comments Article is closed for comments.