Below you will find the necessary installation steps for manually installing WebOffice 10.9 SP1.
1.Create a folder (e.g. 'WebOffice') for WebOffice 10.9 SP1 in your Tomcat-Web Application folder C:\Tomcat\webapps\
2.Copy WebOffice10xxx.zip from directory WebOffice10.9-DVD\Software\WebOffice Web Application\unpackaged\ into it and unzip it there. Delete the ZIP file afterwards.
Directory structure of WebOffice 10.9 SP1 web application