realvncviewer.xml

<?xml version="1.0" encoding="UTF-8"?>
<packages:packages xmlns:packages="http://www.wpkg.org/packages">

  <package id="realvncviewer" name="Real VNC Viewer" revision="%version%.1" priority="50" reboot="false">
    <variable name="version" value="6.20.113" />
    <check type="uninstall" condition="versiongreaterorequal" path="VNC Viewer %version%" value="%version%.*" />

    <install cmd='msiexec /l* %WPKGLOGDIR%\realvncviewer_%version%_install.log /qn /norestart /i %WPKGSOFTWARE%\realvnc\VNC-Viewer-%version%-Windows-en-64bit.msi' />

    <!-- handle upgrades from previous non-MSI-based wpkg -->
    <upgrade cmd='cmd /c if exist "%PROGRAMFILES%\realvnc" rmdir /s /q "%PROGRAMFILES%\realvnc"' />
    <upgrade cmd='cscript %wpkgsoftware%\wpkg\tools\delete-shortcut.js /folder:"RealVNC' />

    <upgrade include='remove' />
    <upgrade include='install' />

    <remove cmd='msiExec /qn /x {CD0CCE99-7981-4A53-851A-0A6275EC959C}'>
      <exit code='1605' />
    </remove>
  </package>

</packages:packages>