: Use 7-Zip or WinRAR . Right-click on part1.rar and select "Extract Here." It will automatically pull the data from the other parts.
It looks like you are referencing a specific split archive file (Part 1), likely downloaded from a site like . FEFSE-EUR-DecrTD-Ziperto.part1.rar
: You must have all corresponding files (e.g., part1.rar , part2.rar , etc.) in the same folder before attempting to open them. : Use 7-Zip or WinRAR