How to upgrade from FineReader Engine 11 to FineReader Engine 12?
Since both versions can be installed on the same machine and neither version affects the other, the upgrade process is simple. Deploy your application with the updated source code, install FineReader Engine 12 with the correct command, activate the license, and check whether the document processing works. After that, FineReader Engine 11 can be uninstalled. More information about installation commands is in the Developer's Help for the current version of FineReader Engine. The Developer's Help for FineReader Engine 11 is available only in distributive.