WinRaR 4.20 Free Download 32 Bit & 64 Bit

WinRAR is an archiving utility that completely supports RAR and ZIP archives and is able to unpack CAB, ARJ, LZH, TAR, GZ, ACE, UUE, BZ2, JAR, ISO, 7Z, Z archives. It consistently makes smaller archives than the competition, saving disk space and transmission costs.

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 in multi-core environment. Speed gain depends on data type and average file size. Several cores are utilized more efficiently when compressing large files.
WINRAR 4.20 had to increase memory requirements to achieve higher compression speed. General RAR compression algorithm allocates about 120 MB comparing to 40 MB in WINRAR 4.20.
"Fastest" (-m1) compression mode also supports several processor cores now. In 4.11 it could use only a single processor core. WINRAR 4.20 general decompression algorithm speed is slightly improved,though not same extent as RAR compression. RAR decompression is not able to use several processor cores, so its performance does not depend on a number of cores. Changes in ZIP compression: now ZIP compression supports several processor cores resulting in noticeably higher performance in multi-core environment. Single CPU ZIP compression is also faster than in 4.11; Memory use for ZIP compression is increased to about 15 MB.

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