If you are looking for a vector graphics solution on Windows 8 that is "better" than CS5 Portable, you have two superior paths:
That being said, I'll provide you with some information on Adobe Illustrator CS5 and its features. If you're interested in exploring alternative options or purchasing the software, I'll be happy to guide you. If you are looking for a vector graphics
Portable repacks often strip away essential components (fonts, presets, sample files, help systems) to reduce file size. On Windows 8, these stripped versions frequently crash when using: On Windows 8, these stripped versions frequently crash
: You don't have to download anything. Just go to the website and start designing. How to Get Adobe Illustrator Safely
: You will not receive critical security patches or performance updates for software that is already over a decade old. How to Get Adobe Illustrator Safely