There is no new standalone version of LiveCycle Designer. The product has reached end-of-life. The final classic version (version 11) is now a bundled component of Adobe Acrobat Pro DC and Adobe Acrobat Pro 2020 (perpetual license).
If you are searching for the "latest version" of Adobe LiveCycle Designer, you have likely encountered some confusion. Let’s clear it up. adobe livecycle designer latest version
| Feature | LiveCycle Designer (Legacy) | AEM Forms Designer (Current) | | :--- | :--- | :--- | | | End-of-Life (v11) | Active Development | | Output | XFA PDF (Dynamic XML Forms) | Adaptive HTML5 + XDP/PDF | | Target OS | Windows 10/11 (Compatibility mode) | Windows 10/11 + Cloud | | License | Bundled with Acrobat Pro | Requires AEM License | There is no new standalone version of LiveCycle Designer
The "latest" version is whatever version of Acrobat Pro you installed yesterday. Feature development for LiveCycle Designer stopped in 2018. For modern interactive forms, look at (same interface, new backend) or web-based form builders. If you are searching for the "latest version"