If video does not appear, check for "yellow bar" at the top of your browser windows. This is a security warning that the page wants your browser to download and run a program to make the movie visible. Just click the bar and select the "Run" option.

Another type of security warning appears as a download dialog. Click "Yes" to accept the software that will decode the movie file.

Due to an architectural change with Chrome version 33 onwards, prexisting Windows Media Player plugins are no longer compatible.