WINRAR 4.20 is
a powerful archive manager. It can backup your data and reduce the size
of email attachments, decompress RAR, ZIP and other files downloaded
from Internet and create new archives in RAR and ZIP file format.
Changes in RAR compression RAR general compression algorithm is
optimized for better utilization of several processor cores. While some
speed gain is possible even in single processor mode, best results are
achieved...
