app.wsx.tmpl

<?xml version="1.0" encoding="UTF-8"?>
<Wix xmlns="http://schemas.microsoft.com/wix/2006/wi">
    <Product Id="*" UpgradeCode="{{upgradeCode}}" Language="1033" Name="{{applicationName}}" Manufacturer="{{author}}" Version="{{version}}">
        <Package InstallerVersion="300" Compressed="yes" InstallScope="perMachine" />
        <MajorUpgrade DowngradeErrorMessage="A newer version of [ProductName] is already installed." />
        <MediaTemplate EmbedCab="yes" />
        <Feature Id="ProductFeature" Title="{{applicationName}}" Level="1">
            <ComponentGroupRef Id="ProductComponents" />
        </Feature>
        <Property Id="WIXUI_INSTALLDIR" Value="INSTALLFOLDER" />
        <Icon Id="icon.ico" SourceFile="assets/icon.ico" />
        <Property Id="ARPPRODUCTICON" Value="icon.ico" />
        <WixVariable Id="WixUILicenseRtf" Value="{{license}}" />
        <WixVariable Id="WixUIDialogBmp" Value="{{dialog}}"/>
        <WixVariable Id="WixUIBannerBmp" Value="{{banner}}"/>
        <UIRef Id="WixUI_InstallDir" />
    </Product>

    <Fragment>
        <Directory Id="TARGETDIR" Name="SourceDir">
            <Directory Id="ProgramFiles64Folder">
                <Directory Id="INSTALLFOLDER" Name="{{applicationName}}" />
            </Directory>
        </Directory>
    </Fragment>

    <Fragment>
        <ComponentGroup Id="ProductComponents" Directory="INSTALLFOLDER">
            <Component Id="ProductComponent">
                <File Source="{{buildSource}}" />
                <Environment Id="{{envId}}" Action="set" Part="last" Name="PATH" Permanent="no" System="no" Value="[INSTALLFOLDER]" />
            </Component>
        </ComponentGroup>
    </Fragment>
</Wix>