Below you will find the necessary installation steps for manually installing WebOffice 10 R3.
•Create a folder ‘WebOffice’ for WebOffice 10 R3 in your Tomcat-Web Application folder <Tomcat install dir>\webapps\
•Copy the files from the “Software/WebOffice Web Application/unpackaged” directory into it.

Directory structure of WebOffice 10 R3 web application