With Expression Encoder 2 SP1, you can quickly and easily create Silverlight 2 experiences using templates that include rich functionality such as DVD-style chapter navigation, subtitles, and metadata; encode H.264/AAC video; and publish to Internet Information Services (IIS) and other servers that support the WebDAV protocol for use with IIS Smooth Streaming.

Installation instructions

• Install Expression Encoder 2 Trial if you don't already have Expression Encoder 2 installed.
• Install Expression Encoder 2 Service Pack 1.

See above.