@hmfa it seems that from Europe you get a timeout. But it should be OK if you access from Brazil though …
I put together both approaches in a workflow group and described what files will go where.
Next step would be to build a Data App around that so as to select the files in a hierarchy that follows the business logic of the files.
And they can be easily be decompressed and converted to KNIME tables or Parquet files with the help of the R package. This will only involve putting R on the local machine, installing R devtools and then installing the necessary package, then tell KNIME where to find R. No additional coding involved.
Best to download the whole workflow group.