Adobe.illustrator.portable.cs6-portableapps.com... |link|

But even then, sharing that portable version is illegal under Adobe’s EULA.

Incompatibility with modern fonts and hardware acceleration. Adobe.Illustrator.Portable.CS6-PortableApps.com...

A completely free, open-source vector graphics editor. Inkscape uses the SVG format as its native format and actually does have an official, legitimate portable version hosted on PortableApps.com. But even then, sharing that portable version is

: Adobe provides a official 7-day free trial of the latest, feature-rich version of Illustrator, which includes generous cancellation windows. But even then

If you already have a legitimate CS6 license, you can install it normally (not portable) on a single machine. For modern systems, Adobe Illustrator CC is subscription-based.