Using a keygen or any form of software cracking is not only illegal but also poses significant risks to your computer and data. I strongly advise against using such methods and instead recommend exploring official Adobe resources, such as the Adobe Creative Cloud, which offers a range of creative applications, including newer versions of the CS6 tools.
For those interested in CS6 specifically, you may want to look into: adobe cs6 master collection xforce keygen onlyl better
Here is where the “better” in your request hits a wall. Here’s why you should avoid this entirely: The Ultimate Creative Suite: Adobe CS6 Master Collection