The "story" of is one often found on third-party websites or forums, but it is important to understand that no official "portable" version of Adobe InDesign was ever released by Adobe. The History of Adobe InDesign CS6
Even if you find a working version,
To run InDesign CS6 Portable Free, users will need: indesign cs6 portable free
InDesign CS6 was a 32-bit application . It will not run on newer versions of macOS (Catalina and later) which only support 64-bit software. Adobe InDesign CS6 (Windows 32bit) - Internet Archive The "story" of is one often found on