Download VisualEther Protocol Analyzer 1.0
Download a 45 day free trial and generate sequence diagrams from Wireshark.
Download and install the following:
Minimum requirements
Pentium class processor running Windows 8, Windows 7, Windows Vista or Windows XP.
20 MB disk space
Adobe Reader 5.0 or greater (Adobe Reader X recommended)
EventStudio 6 is installed (download)
Microsoft .NET 1.1 is installed (download)
Wireshark (download)