https://www.liberkey.com/forum/

C:\Program Files\Amazon\KindleE:\PortableApps\LiberKey\MyApps\KindleForPC\App\KindleForPCC:\Users\xxxx\AppData\Local\Amazon\KindleE:\PortableApps\LiberKey\MyApps\KindleForPC\Data\KindleHKEY_CURRENT_USER\Software\AmazonE:\PortableApps\LiberKey\MyApps\KindleForPC\Data<LiberKeyAppLauncher version="0.7">
<AppInfo>
<Name>KindleForPC</Name>
<LocalExeName>KindleForPC.cmd</LocalExeName>
<ExePath>App\KindleForPC\KindleForPC.cmd</ExePath>
<TmpDir>LBK_KindleForPC</TmpDir>
<!-- Uncomment line below to send a command line to MyApplication.cmd -->
<!--
<AdditionalParameters>--CommandLineSendedToKindleForPC</AdditionalParameters>
-->
</AppInfo>
</LiberKeyAppLauncher>..\..\LiberKeyTools\LiberKeyPortabilizer\LiberKeyPortabilizer.exe %CD%\KindleForPC.lpf /lkpend
<LiberKeyAppLauncher version="0.7">
<AppInfo>
<Name>KindleForPC</Name>
<LocalExeName>Kindle.exe</LocalExeName>
<ExePath>App\KindleForPC\Kindle.exe</ExePath>
<TmpDir>LBK_KindleForPC</TmpDir>
</AppInfo>
</LiberKeyAppLauncher>
http://filehippo.com/download_kindle_for_pc