Use the serial number provided by the keygen and the correct 2019 product key.
If you'd like, I can help you find official Autodesk licensing resources instead. Fixing Error Application "xf adesk19" can't be opened xf-adesk19-x64.exe download
This 64-bit application is designed to simulate the Autodesk activation server, allowing users to enter a Request Code and generate a corresponding Activation Code for permanent offline registration. xf-adesk19_x64.exe (or xf-adsk2019_x64.exe) Target Suite: Autodesk 2019 Products Use the serial number provided by the keygen
Copy the "Request Code" from the Autodesk activation screen into the keygen, then click "Generate." xf-adesk19_x64
Right-click the xf-adesk19_x64.exe file and select "Run as administrator".
Re-extract the files and ensure you run the tool as an administrator.
If the application fails to launch, especially on newer Windows systems, it may be due to restrictions on unsigned applications.