Iron-challenge.rar ⇒

: Most challenge files include a README.txt or instructions.md . Read this first to understand the rules, goals, and any software dependencies.

Right-click the file and select .

: Since it is a .rar file, you will need a utility like 7-Zip (Free/Open Source) or WinRAR to open it. iron-challenge.rar

: If you see files ending in .json , .dat , or .py , you likely need a specific program (like a game client or a code editor) to use them. : Most challenge files include a README