How to install FineReader Engine 12 for Windows from Command Prompt?
The installation process will be the following:
1) Open Command prompt and navigate to a path with FRE12 installation files.
2) Run the command: installDev64.exe /quiet MODULES=All LICENSESRV=Yes RegisterCOM=Yes
More command keys can be found here: https://help.abbyy.com/en-us/finereaderengine/12/user_guide/distribution.redistribution_automatic
3) Wait until installation finishes.
After the installation, need also to go through the activation process, described here: