If you're interested in exploring vector graphics or need professional-grade tools, it might be worth looking into Adobe's current offerings or other software solutions that might better meet your needs and budget.
Adobe encourages users to upgrade to the latest version of Illustrator through Adobe Creative Cloud, which offers the latest features, security updates, and compatibility with the newest operating systems and hardware.
Adobe Illustrator CS6 was a landmark release that showcased Adobe's commitment to vector graphics. While it's still possible to find and use CS6, users should weigh the benefits against the potential drawbacks, especially concerning support and security.