BrowserCategory["Help Browser", None, {
    HelpDirectoryListing[{"RefGuide"}, False],
    HelpDirectoryListing[{"AddOns"}, False],
    HelpDirectoryListing[{"MainBook"}, False],
    HelpDirectoryListing[{"GettingStarted"}, False],
    HelpDirectoryListing[{"OtherInformation"}, False],
    BrowserCategory["Master Index", None, {HelpMasterIndex[]}]
}]

