WinRAR Full Version.. Surely you are familiar tools called WinRAR 4.20 Beta 3 Preactivated. Right .. RarLab WinRAR 4.20 Beta 3 Preactivated is a powerful archiving utility and be in the count. WinRAR also supports the archiving / backup data in the form RAR and ZIP. In addition, RarLab WinRAR 4.20 Beta 3 Preactivated is able to Unpack / decompression archives in the form CAB, ARJ, LZH, TAR, GZ, ACE, uue, BZ2, JAR, ISO, 7Z, Z.