To help me give you more specific text, could you tell me or where you plan to use this text (e.g., a download page, a personal folder, or an email)?
You only need to right-click and extract the first part (.part1); compatible software like WinRAR will automatically find the subsequent parts to reconstruct the original data. Erdechu.part1.rar
All parts must be present in the same directory for the extraction to succeed. To help me give you more specific text,