1- Download it from: http://labs.vmware.com/flings/visualesxtop and unzip files:
2- Change PATH on the System Properties - Advanced System Settings - Advanced - Environmet Variables - System Variables: "PATH=C:\Program Files (x86)\Java\jre6\bin;
(Be carefull with this changes , and backup all the the info you modify for a restore case)
3- Start from CMD or click on the "visualEsxtop.bat" and connect to a ESX host or to a vCenter Server from Menu; File - Connect to Live-server, or start it from powercli:
This will open a new window with the GUI:
Now, you can review al the metrics from the diferents tabs:
...And generate some graphics , for example de% CPU ready:
*ESXTOP Online manual: https://communities.vmware.com/docs/DOC-9279
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