There is no updater for installing ABBYY FineReader for ScanSnap™ 5.5 over 5.0. Please take either of the following methods to install ABBYY FineReader for ScanSnap™ 5.5.
Method 1
Download the setup program for ABBYY FineReader for ScanSnap™ 5.5 and install the software with the program. To download the installer, you need to have the serial number of the ScanSnap scanner that comes with ABBYY FineReader for ScanSnap™ 5.0.
Method 2
Run ScanSnap Online Update, select the checkbox of ABBYY FineReader for ScanSnap™ 5.5 shown in the recommended-software window, and start installation.
Note:
Be sure to uninstall ABBYY FineReader for ScanSnap™ 5.0 before running ScanSnap Online Update.