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14.06.2012 16:51 Age: 5 yrs

WinRAR 4.20: Final version is ready for download.

Compression and Decompression are much faster now!


The current version has improved the speed significantly compared to older versions of WinRAR.

Berlin, 14.06.2012 – win.rar GmbH and RARLAB are proud to present to the public the final version of WinRAR 4.20. Users will realize that the compression speed is now up to three times higher than in previous versions and the improvements are valid for both RAR and ZIP compression.

Speed Improvements for RAR Compression

As quad core CPUs are becoming mainstream and more affordable, users pay more attention to multi-core efficiency. The primary target in the development of WinRAR 4.20 has been improving this efficiency.

By utilizing more RAM and improvements in CPU the RAR compression speed in even single-core mode CPU has been raised considerably. However the main optimization has been made for multi-core mode. For the typical data mix the speed of RAR compression can be up to twice as fast as WinRAR 4.11. Poorly compressing data such as .jpg and .mp3 even three times faster. The speed difference between the current version and previous versions amplifies with larger numbers of cores and types of data.

"As the market leader our ultimate priority is to continue to set the standard for compression software and, in every new version, to ensure that the needs of our growing global user base are met or exceeded. The primary focus in the development of WinRAR 4.20 has been to optimize for better utilization of multi-core processors. As a result we have achieved a substantially higher compression rate and further increased efficiency. Just another step in the right direction,” says Burak Canboy, win.rar GmbH’s CEO.

Speed improvements for ZIP Compression

The ZIP Code has been rewritten and is now using similar techniques as in RAR compression, which is making WinRAR 4.2 ZIP compression faster than WinRAR 4.11, even in single-core mode by about 70%. By utilizing the multi-core support in 4.20 ZIP, can be up to 3 times faster than 4.11.

Additional improvements within the final version of WinRAR 4.20

The RAR format continues to offer many advantages like archiving, conversion, security and recovery functions. Recovery functions now also access multiple core processors in order to achieve time-savings when repairing files.

Please find more detailed information on improvements and bug-fixes at

http://www.win-rar.com/whatsnew.html.

Attention: All users of the Microsoft Windows' 64-bit version are strongly recommended to install the 64-bit-version of WinRAR as integration and performance have been improved substantially compared to the 32-bit-version of WinRAR.

The new version of WinRAR 4.20 is available for download at

http://www.win-rar.com/download.html

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About WinRAR

WinRAR is a 32-bit and 64-bit Windows version of the RAR Archiver, the powerful archiver and archive manager, which supports also multi-core-processors. RAR files can usually compress content up to 30 percent more effectively than ZIP files. The most important functions of WinRAR include extremely powerful document and multimedia file compression, processing of other archive formats, programmable self-extracting archives (SFX), damaged archive repair, authenticity verification, Unicode support and archive encryption. WinRAR is available in over 40 different languages and runs on Windows 2003/XP/Vista/2008/Windows 7. The command line version of RAR is available for Linux, FreeBSD and MAC OS X.

About win.rar GmbH

win.rar GmbH has been the official distributor of WinRAR and RARLAB products since February 2002 and handles all support, marketing and sales related to WinRAR & RARLAB.com. win.rar GmbH is registered in Germany and is represented worldwide by local partners in more than 70 countries on six continents. win.rar’s declared objective is to provide first-class quality support and to optimize their software to meet customer’s requirements in accordance with their valued feedback. For more information about WinRAR and win.rar GmbH go to http://www.win-rar.com


The beta download links are being expire after the final release!