Generally you can launch a setup program from a command line and add /? to the end to get a setup of options for running a silent install.
Like this...
setup.exe /?
If that does not work then you might need to do some guessing. I have found that some programs will work with a capitol S. Like this...
setup.exe -S
There are some excellent resources on the Internet for finding out how to install things unattended and/or silently. Here are a couple that I check regularly....