It's possible the name is a specific user-created archive from a forum or community. General Guide for Handling .rar Downloads
Knowing if it's for a gaming console or a specific PC application will help me give you more detailed steps. Software Updates | Bren-Tronics Download ABC 2020 Forwarder rar
Most niche tools include a readme.txt file inside the archive. Look for this first to find specific installation instructions for that version. It's possible the name is a specific user-created
Some third-party streaming tools use "forwarders" to redirect links or bypass network restrictions. Download ABC 2020 Forwarder rar