DxO does not officially offer a portable version of PhotoLab 9. However, if one were to be created legitimately (e.g., for a forensic or field workflow), it would require:
A genuine portable app:
True portability is a deliberate design choice by developers. DxO Labs does not offer an official portable version of PhotoLab 9. Their licensing and activation system (online/offline license file) ties the software to a specific machine ID or requires periodic reactivation if hardware changes. dxo photolab 9 portable portable