Based on your request regarding Adobe Illustrator CS6 Portable, it is important to understand that "portable" versions are generally unofficial, unauthorized, and potentially unsafe modifications of software.
This has given rise to a massive online search for a specific variation: . adobe illustrator cs6 portable multi free
– Not recommended.
If you ignore all warnings and proceed, follow extreme safety measures: Based on your request regarding Adobe Illustrator CS6
: To make the software "portable," essential files and features are often removed, leading to frequent crashes and buggy performance No Updates : To make the software "portable," essential files
Here is what you should know about the state of Illustrator CS6 and safer alternatives. The Reality of "Portable" CS6