Go to My Accounts section in the mobile app and click on the Add Account ... go to the Unlock section and place your finger on the scanner to unlock your Windows computer from your phone.
[Kai Kaufman] shares the experience of making one of these work with a modern Windows version, and it’s interesting both because of the scanner itself and the epic tale of software detective ...
I have a Fujitsu ScanSnap scanner, which is excellent, but if it broke, I wouldn’t replace it. That’s because iPhone and iPad scanning apps have improved just as steadily as my scanning needs have ...