CamStudio

<package
    id="camstudio"
    name="Camstudio"
    revision="%version%.1"
    reboot="false"
    priority="1">
 
    <!-- download from https://sourceforge.net/projects/camstudio/ -->
    <variable name="version" value="2.7" />
    <variable name="release" value="r316" />
 
    <check type="uninstall" condition="versiongreaterorequal" path="CamStudio.*" value="%version%"/> 
    
    <install cmd='"%SOFTWARE%\camstudio\CamStudio_%version%_%release%_setup.exe" /silent' />
 
    <downgrade include="install" />
    <upgrade include="install" />
 
    <remove  cmd='"%programfiles(x86)%\CamStudio %version%\unins000.exe" /silent' architecture="x64"  />
    <remove  cmd='"%programfiles%\CamStudio %version%\unins000.exe" /silent' architecture="x86"  />
	
</package>