support of macOS Sierra.app tool

When you try to upgrade to Sierra I get a message from macOS sierra.app tries to add a new tool for assistance.  What is this support tool and is it safe?  I know that Java said something along the same line, and it is your browser hijacking.

Hello

Find out how to update for Sierra here > http://www.apple.com/macos/how-to-upgrade/

Tags: Mac OS & System Software

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    UNKNOWN PATH

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