Download the finstack.service file from the following location: https://support.industry.siemens.com/cs/ww/en/view/109808398
Place the zip file from Siemens Technical Support and the finstack.service file on the Ubuntu desktop for easier use. (This installation procedure assumes these files are on the desktop.)
Installing Java
Type the following sequence of commands and answer yes after each: sudo add-apt-repository ppa:webupd8team/java