How can I read and store the value of a Windows registry key in an installer variable?

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    Jake

    You can store the value of a registry key in an installer variable using a <registryGet> action. If the key or name does not exist, then the variable created will be empty. You will have to include a section like the one below inside an action list section of your XML installer project file.

    <registryGet>
     <variable>installdir</variable>
     <key>HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment</key>
     <name>MY_APPDIR</name>
    </registryGet>

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