The model, I downloaded, doesn’t open

The files are downloaded from the server in an archived state. It is impossible to open the archive if it is damaged. In that case, it is possible that the archived file was not fully downloaded because of the internet connection failure ․ In that case, you need to re-download the archive.

If you can’t still open the archived file, maybe it has been damaged in the server. To restore the damaged file please, contact our service managers via feedback.