To redeem an update voucher please follow the link below. Before doing so please take a moment to ensure your browser does not block the download. We recommend Firefox as internet browser but if you wish to use Microsoft Internet Explorer please be sure to follow the steps below before trying to download your update.
Internet Explorer
Click on the TOOLS menu and select Internet Options / Security. Click on the "Trusted Sites" button and then on "Sites"
add www.navbox.nl to your list of trusted sites. Make sure the "require server verification" box is left blank.
If you do not follow these steps Internet Explorer may block the download and your voucher number will be void.