Inkporter can be called by right-clicking on the SVG file. You will prompted to input the object ID pattern and choose the output folder and so on.
This feature us only available on installation with the installer.
Inkporter can be called from cmd. To access it from any directory, you have to add the inkporter.bat directory to the PATH environment variables.
Here's how you use the extension.
Then you will be prompted to fill in the input and output folders, choose the DPI value, and so on.
The Inkporter CLI will be called by the extension to process the file. You'll have to wait a bit and it will do the job.