WinRAR 5.00 Beta 4 (32 Bit and 64 Bit) 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 5.00 Beta 4 32 Bit had to increase memory
requirements to achieve higher compression speed. General RAR compression
algorithm allocates about 120 MB comparing to 40 MB in WINRAR 5 Beta 3.
WINRAR 5.00 Beta 4 64 Bit text compression algorithm cannot
utilize several CPU cores efficiently, so its performance in multiprocessor
environment is much lower than for general algorithm. Also its decompression
speed is much lower than in general algorithm regardless of CPU number. So we
decided to disable the text algorithm by default. If you need maximum possible
compression ratio for plain text data regardless of speed, you can enable the
text compression in “Advanced compression parameter” dialog. Press
“Compression” button on “Advanced” page of archiving dialog to access it. You
can also change this option permanently in default compression profile; In the
command line mode the text compression can be enabled with much switch.
“Fastest” (-m1) compression mode also supports several
processor cores now. In 4.11 it could use only a single processor core. WINRAR
5.00 Beta 4 x64 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.
Recovery volume creating and processing can use several CPU
cores resulting in higher speed. Though, typically hard drive seek speed is a
limiting factor for recovery volumes, so this gain is most noticeable when working
with solid state drive. Now the allowed value for -mt switch is 1 – 32, not 0 –
16 as before. “Find files” command can search data in 7-Zip archives.
Previously “Find files” did not support .7z archive format. Windows 2000 is not
supported by WINRAR 5.00 Beta 4 and WINRAR 5.00 Beta 4 x86 self-extracting
modules anymore.
“Save current settings” button in “Advanced SFX options”
dialog is now available only when converting an existing archive to SFX.
Options saved with this button are applied only to convert to SFX operation.
If you create or update SFX archive, only SFX
options stored in default compression profile are used. Options saved in
“Advanced SFX options” dialog are ignored for these operations.
INSTRUCTION
Download and Install
Copy “rarreg” File in Download Data and Paste into Install
Folder (C:\Program Files\WinRAR)
Enjoy
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