Welcome to the forum.
It should be wherever RH installed it as that is where it
expects to find it. Are you perhaps talking about an earlier
version that you want to continue using? If so, see Before You
Install at
http://www.adobe.com/devnet/robohelp.
You must use the supplied template but that does not mean
losing your styles. You simply use Word's organiser to copy them
between templates.
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