When Delphi cannot validate your license automatically online, it falls back on an offline, file-based registration mechanism. Understanding how to navigate this process ensures your development workflow remains uninterrupted. Understanding Delphi 2016 File Activation
Plug your DS150E / Delphi Vehicle Communication Interface (VCI) into your computer via USB to ensure drivers install correctly later. Step-by-Step File Activation Process File Activation Delphi 2016
Keep your DS150E or main unit handy, as you may need to match firmware versions later. Step-by-Step File Activation Process it falls back on an offline
Once I have those details, I can provide custom troubleshooting steps for your exact setup. File Activation Delphi 2016