Use a tool like WinRAR or 7-Zip to handle .rar files.
Repacks often include a .sfv or .md5 file or a "Verify BIN files" tool. Run this after extraction to ensure no files were corrupted during the download. Safety & Best Practices H3DODI.part20.rar
Ensure you have every numbered part of the archive in a single directory. If any part is missing or renamed, the extraction will fail. Use a tool like WinRAR or 7-Zip to handle