That search is a trap. Every "free link" you find is either malware, a broken crack, or both. Meanwhile, you have excellent, safe, and truly free options like Inkscape and Vectr that run on modern hardware, receive updates, and won't get you sued.
What's New in Adobe Illustrator CS5 - My Complete Walkthrough adobe illustrator cs5 portable free link
Adobe does not create "portable" (executable-only) versions of its professional desktop software designed to run from a USB drive without installation. Risks of "Portable Free" Links Do Photoshop have portable version? - Adobe Community That search is a trap
For users who grew up with CS5, transitioning to the subscription-based Creative Cloud can feel expensive or unnecessary. However, clinging to an unsupported, illegally obtained version creates more problems than it solves. a broken crack