Highly recommended. Download it from the official 7-Zip site . Right-click the file. Select 7-Zip > Extract to "Nueva carpeta (7)" .
You likely renamed a folder or moved it multiple times, and Windows automatically assigned it this name. Nueva carpeta (7).rar
The original tool for this format. You can download a trial from WinRAR. Highly recommended
Since Windows does not natively support RAR files (unlike ZIP), you will need a third-party tool: Nueva carpeta (7).rar
Right-click the file and select "Scan with [Your Antivirus]" before extracting.