A "portable" version is typically a modified, unofficial version of the software that does not require a standard installation. While websites might promote the as a quick solution, users should be aware of several risks:
The search for often leads users to various third-party websites offering a lightweight, no-installation version of Adobe’s classic DVD authoring software. However, while the idea of a "portable" Encore seems convenient, it comes with significant security and legal considerations. What is Adobe Encore CS6? Adobe Encore CS6 Portable.7z Download
In 2012, Adobe officially discontinued the product, shifting focus toward cloud-based and streaming content delivery. Since then, Encore has been removed from the Creative Cloud Desktop App and is no longer officially available for download as a standalone product. A "portable" version is typically a modified, unofficial