Using repacked software violates Adobe's Terms of Service and is considered software piracy.
: If you have a Creative Cloud subscription, the web version is "portable" in the sense that it runs in any browser without a full installation. adobeillustratorcs5liteportable repack
Many repacks hide coin miners. While you edit a logo, your CPU is secretly mining Monero. Because CS5 is old, the miner consumes 100% of a core – slowing your work to a crawl. Using repacked software violates Adobe's Terms of Service