[ACCEPTED]-Can anyone give me a example of modifying windows environment system variables in WIX?-environment

Accepted answer
Score: 55

You should be able to use:

<Environment Id="PATH" Name="PATH" Value="[INSTALLDIR]" Permanent="yes" Part="last" Action="set" System="yes" />

This should add 2 a new entry to the environment path, set 1 to [INSTALLDIR].

Score: 23

Another thing to note is, Environment need to be placed 2 inside a component with directory, e.g.

<DirectoryRef Id="TARGETDIR">
  <Component Id="Path" Guid="{xxx-xxx-xxx-xxx}">
    <Environment Id="PATH" Name="PATH" Value="[INSTALLDIR]" Permanent="no" Part="last" Action="set" System="no" />

Details 1 of Wix Element described at Environment Element

Score: 2

Had the same exact problem, this have worked 1 for me:

        <Directory Id="TARGETDIR" Name="SourceDir">
            <Directory Id="ProgramFilesFolder">
                <Directory Id="INSTALLFOLDER" Name="DataBaseds_Service_Installer" />

    <ComponentGroup Id="Components" Directory="INSTALLFOLDER">

      ...some components  

    <DirectoryRef Id="TARGETDIR">
      <Component Id="MYSQL_PASSWORD" Guid="..."
        <Environment Id=HERE YOU CAN ADD THIS  :)/>

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