Before searching for a download, ensure your system can run the software. Adobe Illustrator CS6 was designed for a different era of computing. Here are the official requirements:
To run Illustrator CS6 on modern hardware, your system must meet these baseline specifications: : Intel Pentium 4 or AMD Athlon 64. RAM : 1 GB for 32-bit; 2 GB (8 GB recommended) for 64-bit.