Alngft.7z.001 -

: If you haven't already, download and install 7-Zip for Windows, or use an alternative like The Unarchiver for Mac.

: Right-click specifically on the file ending in .001 . AlnGft.7z.001

: You need every numbered part of the set (e.g., AlnGft.7z.001, AlnGft.7z.002, etc.). If even one part is missing, the archive cannot be fully reconstructed. : If you haven't already, download and install