To access the Kronos website, go to: https://www.kronos.cornell.edu
Latest version of Java that works with Kronos can be downloaded here:
http://www.oracle.com/technetwork/java/javase/downloads/jre-6u31-download-1501637.html
Below are some helpful resources about Kronos.
How to create a shortcut to Kronos on your desktop: http://screencast.com/t/5uAUGCg67IcA
(the first step is to right click on your desktop)