abierce: take a deep breath and calm down. It is overwhelming at first, but it is not tough once you get used to it.
1) dblclking anything will bring you to the next level
2) right clicking gives you choices
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as for changing commands, read
[Link: remotecentral.com] to know what type of commands are used. If it uses aliases then use the info on the line to get to the right place device-panel-button