Pokbnk-rf-(eshop)-decrtd-ziperto.rar -

A compressed archive format. You will need a program like WinRAR or 7-Zip to extract the actual .3ds or .cia file inside. 2. The Purpose of Pokémon Bank

Downloading copyrighted software you do not own is illegal in many jurisdictions. Pokémon Bank is currently free to download on the 3DS eShop for users who previously owned it, but new downloads are officially unavailable through legitimate means. POKBNK-RF-(eShop)-DecrTD-Ziperto.rar

When dealing with .rar files from ROM sites, always follow these precautions: A compressed archive format

The long string of characters in the filename tells you exactly what is inside: POKBNK-RF-(eShop)-DecrTD-Ziperto.rar