Twitch.tv

Your system does not meet the minimum requirements to run TwitchTV:
Requirements for streaming: Windows: Vista/7/8 (32 or 64bit) and Mac: 10.8/10.9 (64bit only).
Windows XP is not supported by Twitch.tv and it is recommended you upgrade your operating system as Microsoft will be dropping support for XP on April 08, 2014.
Linux streaming is currently unsupported as the appropriate Java libraries have not been released by Twitch.tv at this time.