SlingPlayer for Connected Devices is simple to set up. To use it, you must have a Slingbox SOLO or Slingbox PRO-HD set up in your home. If you haven't turned on your Slingbox in a while, make sure the firmware is up to date by going to Setup on Slingbox.com from your laptop and checking for updates.
Step 1:
From your Boxee screen, select Apps.
Step 2:
Select the SlingPlayer app from the Apps library, and you will see the following screen.
Step 3:
Login to your Sling Account, select your Slingbox, and start watching your television programming on your Internet-connected TV.