documentclass{beamer}

mode<presentation>
begin{document}

begin{frame}

frametitle{some title}

    begin{enumerate}
    item visible<1-10>{1}
    begin{itemize}
     item visible<2-10> {subitem}
       vspace*{+1mm}
     begin{itemize}begin{footnotesize}
     item visible<3-10>{{only<10>{color{red}} {subsubitem hyperlink{project_A}{beamerskipbutton{Project A} }} }
    itemvisible<4-10>{subsubitem hyperlink{project_B}{beamerskipbutton{Project B}}}
    item visible<5-10>{subsubitemhyperlink{project_C}{beamerskipbutton{Project C}} }}
    item[]
    end{footnotesize}end{itemize}
    end{itemize}

    vspace*{+4mm}

    item visible<1-10> {2}

  begin{minipage}[c]{0.70textwidth}

    begin{itemize}

    item visible<6-10> {subitem}

    begin{itemize}

   begin{footnotesize}

    item visible<7-10>{{only<10>{color{red}} {subsubitem hyperlink{project_D}{beamerskipbutton{Project D}}} }

 item <8-10> {subsubitem}
    hyperlink{project_E}{beamerskipbutton{Project E} } }

item <9-10> {subsubitem  hyperlink{project_F}{beamerskipbutton{Project F}}hypertarget<10>{label}{}}

    end{footnotesize}

end{itemize}
end{itemize}
end{minipage}

 hfill

  begin{minipage}[c]{0.20textwidth}

      includegraphics[width=0.78textwidth]{PICTURE.PNG}

end{minipage}
end{enumerate}
end{frame}

end{document}