(earning money, meeting deadlines, client data protection): Absolutely avoid the cracked portable version. The risk of losing work to a crash or leaking client files to a keylogger is unacceptable.
If you find a legitimate copy of Adobe Illustrator CS6 (non-portable), the official 64-bit requirements are: Adobe Illustrator CS6 -PL- -Portable- 64 Bit
We analyzed discussions on and Wykop.pl regarding “Illustrator CS6 portable PL 64-bit”: Adobe Illustrator CS6 -PL- -Portable- 64 Bit
Not every Polish designer is comfortable with English technical jargon. A fully Polish interface reduces errors and speeds up learning. Adobe Illustrator CS6 -PL- -Portable- 64 Bit