Legacy software is no longer patched against modern exploits. Furthermore, "repacked" installers from unofficial sources are common carriers for malware, keyloggers, and miners.
The "Adobe Photoshop CS2 Repack" Trap: Is It Actually Free? You might have stumbled upon links for an Adobe Photoshop CS2 repack
: Since Adobe disabled the activation servers for CS2 years ago, repacks often include the officially released "activation-free" serial keys provided by Adobe in 2013. Compatibility Fixes
The security risks far outweigh the benefits of a two-decade-old image editor.