Your time and personal data are worth far more than the money you think you are saving.
Even if you successfully pirate it, the software will likely be unusable on your modern computer.
However, downloading software from shared Google Drive links is fraught with legal, security, and practical problems. In this long-form article, we will explore why CS3 is still in demand, the dangers of downloading it from Google Drive, the legal status of Adobe CS3 today, and what your best alternatives are.
I found my old CS3 installer on an external hard drive. Since Adobe doesn't sell or support this version anymore, I uploaded it to Google Drive for anyone who needs to open legacy files or use it on an old machine (Windows XP/Vista/7 or Mac OS X Leopard/Snow Leopard).
A typical Google Drive search result for "Adobe Illustrator CS3 Full" might include folders labeled:
However, if you are interested in the historical capabilities of this version, its standout "good features" at release included: