You would use the definite article because you are referring to a specific, unique website or its specific software client. Correct: "How to download the rutor.org program."
If you are trying to make the phrase sound more natural in a Russian sentence, you might add a demonstrative pronoun like эту (this) if you've already mentioned it, but it is not grammatically required. skachat programmu rutor org
Use "the" when you are talking about the well-known platform as a specific entity. In Russian Russian does not use articles (like "a" or "the"). You would use the definite article because you
Rutor.org is primarily a torrent tracker, not a standalone "program." Usually, users download a torrent client (like uTorrent or qBittorrent) to use the files from that site. If you are looking for the site itself, ensure you are using a legitimate mirror, as the original domain is often blocked in various regions. In Russian Russian does not use articles (like "a" or "the")
"Скачать программу rutor.org" (Skachat programmu rutor.org).