The Truth About Adobe Illustrator CC Portable: Convenience or Risk?
. You also can't use "Creative Cloud" features like library syncing or cloud storage. Frequent Crashes: Adobe Illustrator CC Portable
Because portable versions trick the operating system into thinking files are registered, they are notoriously unstable. Expect random crashes, corrupted fonts, missing brushes, and an inability to export to certain formats. The Truth About Adobe Illustrator CC Portable: Convenience
Even if someone cracks an old version, say Adobe Illustrator CS6 (which did have a portable version floating around), it lacks modern features like auto-tracing (Image Trace improvements), variable fonts, and responsive SVG export. Using CS6 today is like using Photoshop 7—it works, but you are professionally obsolete. Using CS6 today is like using Photoshop 7—it
Illustrator CC uses GPU acceleration for smooth zooming, anchors, and effects. Portable repacks almost always disable GPU detection because the virtualization layer conflicts with graphics drivers. You’ll run on software rendering only.