These versions are often "cracked" or modified, which can lead to frequent crashes, missing features (like Neural Filters or Content-Aware Fill), and compatibility errors with your OS [1, 5]. Legal & Ethical:
Regarding the specific "Portable Free" version you mentioned: Software Authenticity & Risks Non-Official Version : The version number "21.1.0.38906" actually corresponds to Photoshop 2020 (Version 21.1) , not CC 2018 (which used Version 19 numbering). Security Hazards Adobe Photoshop CC 2018 21.1.0.38906 -x64- Portable Free