In puzzle games, "A71" often refers to a specific reference system:

: Use a hex editor to look at the first few bytes. A standard ZIP file should start with 50 4B 03 04 (ASCII "PK"). If it doesn't, it might be a different file type disguised as a zip.

Since the file is named "Inheritance," the logic of the puzzle may follow these themes:

where the URL might contain the first hint. 2. Analyze the Filename: "A71"

If this is a specific puzzle you have downloaded, here are the standard steps and potential "clues" based on the name: 1. Identify the Source

While there is no widely known public game or "Alternate Reality Game" (ARG) titled "Inheritance A71.zip" in general search records, the specific naming convention suggests you are likely dealing with a file-based puzzle or an ARG.