WinRAR is a popular file archiver and data compression program which also supports compression of .rar file format apart from the other popular compression formats like ZIP, CAB, ARJ, LZH, ACE, TAR, GZip, UUE, ISO, BZIP2 and 7-Zip. The latest major update to the utility brings better speed, compression and encryption support for archives, a complete chnagelog is posted after the jump with direct download links for all OS.