Use this page to download the latest version of Authentic, which is Version 2024.
Authentic is available as a Desktop application or a Browser Plug-in.
Select your software version, and click the Download button below to download the self- contained Installer for Altova Authentic 2024.
To complement your Authentic installation, you may wish to download the additional free components available below.
Spell Checker Dictionaries
Authentic ships with comprehensive spell-checking capabilities through built-in dictionaries. You can also download additional dictionaries.
To assist customers working with industry-standard DTDs, XSDs, and versions thereof, Authentic includes a convenient XML Schema Manager that provides a centralized way to install and manage schemas for use across all Altova XML-enabled applications.
The XML Schema Manager will launch when you open a document for which the schema is not installed, and you can also access the XML Schema Manager from the Tools menu.
Alternatively, if you are working within a secure network and need to manually download schemas, you may access them here.
If you need to access previous software releases (e.g., to reinstall a previously purchased product after a hardware failure), you can access older versions of Authentic here:
Free Trial Evaluation Information
To start your free, 30-day trial of Authentic Enterprise Edition simply download and install the software. When you start desktop version of the software, you will be prompted to request a license, which you will receive via email. To request a trial of Authentic Browser Edition, please use this form.