You could use the Flash-based SlingPlayer Embedded, but nothing stops Sling Inc from disabling this option tomorrow/next week/next month. Better to get to a supported OS.
The Slingbox 350 is not compatible with Windows XP. In order to fully take advantage of the Slingbox, you will need Windows 7 or higher to view the Slingbox.
Here are the current supported operating systems for "Watch":
- What browsers and systems are supported by Watch on Slingbox.com?
- Which SlingPlayer software works with my Slingbox?
Hope this helps!!!
Sling Media Moderation Team