Features of WinRAR and Free Download

RAR is a powerful tool allowing you to manage and control archive
  files. Console RAR supports archives only in RAR format, the names
  of which usually have a ".rar" extension. ZIP and other formats
  are not supported. Windows users may install GUI RAR version - WinRAR,
  which is able to process many more archive types.

    While console RAR and GUI WinRAR have the similar command line syntax,
  some differences exist. So it is recommended to use this rar.txt manual
  for console RAR (rar.exe in case of Windows version) and winrar.chm
  WinRAR help file for GUI WinRAR (winrar.exe).

  RAR features include:

    *  Highly sophisticated, original compression algorithm
    *  Special compression algorithms optimized for text, audio,
       graphics data, 32 and 64-bit Intel executables
    *  Better compression than similar tools, using 'solid' archiving           DOWNLOAD
    *  Authenticity verification (registered version only)
    *  Self-extracting archives and volumes (SFX)
    *  Ability to recover physically damaged archives
    *  Locking, password, file order list, file security & more ...