Thanks for posting in the forums! That's a great question. I moved your post to the appropriate category for your question. I understand you have the SB100, which is the Slingbox Classic. In order to set this up, you will need to install the dekstop SlingPlayer to your computer.
Here is the link for that download:
Please ensure you click on I have an older Slingbox or older computer and need to download the legacy SlingPlayer desktop software.
Also, I would recommend resetting the Slingbox to factory settings before you start the setup.
Below is a link to an article from our support site that explains how to do so: