<rewrite>

      <rules>

        <rule name="wordpress" stopProcessing="true">

          <match url=".*" />

          <conditions logicalGrouping="MatchAll">

            <add input="{REQUEST_FILENAME}" matchType="IsFile" negate="true" />

            <add input="{REQUEST_FILENAME}" matchType="IsDirectory" negate="true" />

          </conditions>

          <action type="Rewrite" url="index.php" />

        </rule>

      </rules>

    </rewrite>

  </system.webServer>

</configuration>