Download new Adobe Acrobat Reader 9.1

The 9.1 patch (AcroProStdUpd910_T1T2_incr.msp) for Acrobat Pro/Standard is combined for English, French, German, Japanese, Spanish, Italian, Dutch, Brazilian Portuguese, Swedish, Danish, Finnish and Norwegian installer for Acrobat 9.1 on Windows.

The 9.1 patch (AcroProStdUpd910_T3T4_incr.msp) for Acrobat Pro/Standard is combined for Chinese Simplified, Chinese Traditional, Korean, Czech, Hungarian, Polish, Slovak, Romanian, Ukrainian, Russian, Turkish, Bulgarian, Croatian, Slovenian, Estonian, Latvian and Lithuanian installer for Acrobat 9.1 on Windows.

The 9.1 patch (AcroProExUpd910_all_incr.msp) for Acrobat Pro Extended is combined for English, French, German, Japanese, Spanish, Italian, Dutch, Brazilian Portuguese, Swedish, Danish, Finnish and Norwegian installer for Acrobat 9.1 on Windows.

The 9.1 patch (AcroProUpd910_all.dmg) is combined for Acrobat Pro for English, French, German, Japanese, Spanish, Italian, Dutch, Brazilian Portuguese, Swedish, Danish, Finnish, Norwegian, Chinese Simplified, Chinese Traditional, Korean, Czech, Hungarian, Polish, Romanian, Ukrainian, Russian and Turkish installer for Acrobat 9.1 on Macintosh.

9.1 consists of full Reader 9.1 versions on both Macintosh (PPC and Intel) and Windows for English, French, German, Japanese, Spanish, Italian, Dutch, Brazilian Portuguese, Swedish, Danish, Finnish, Norwegian, Chinese Simplified, Chinese Traditional, Korean, Czech, Hungarian, Polish, Romanian, Ukrainian, Russian and Turkish.

9.1 also include full Reader 9.1 versions on Windows for Slovak, Bulgarian, Croatian, Slovenian, Estonian, Latvian, Lithuanian, Catalan and Basque.


Download the latest version of Adobe Reader

Adobe Acrobat 9.1 (Windows)

* 1.3 gigahertz processor or higher
* Microsoft® Windows® XP Home, Professional, or Tablet PC Edition with Service Pack 2 or 3 (32-bit and 64-bit); Windows Server® 2003 (with Service Pack 2 for 64-bit); or Windows Vista® Home Basic, Home Premium, Business, Ultimate, or Enterprise with or without Service Pack 1 (32-bit and 64-bit)
* Microsoft® Windows Server® 2008
* 256 MB of installed RAM (512 MB recommended)
* 1024 x 768 screen resolution
* Internet Explorer 6.0 or 7.0
* Video hardware acceleration optional

Adobe Acrobat 9.1 (Macintosh)

* PowerPC G4, G5 or Intel processors
* Mac OS X version 10.4.11, 10.5.6
* 256 MB of installed RAM (512 MB recommended)
* 1024 x 768 screen resolution
* Safari® 3.0.4

Adobe Reader 9.1 (Windows)

* Intel® 1.3 GHz processor
* Microsoft® Windows® 2000 with Service Pack 4, Windows Server® 2003 and 2008; Windows XP Professional, Home Edition, or Tablet PC Edition with Service Pack 2 or 3; Windows Vista® Home Basic, Home Premium, Business, Ultimate, or Enterprise with or without Service Pack 1
* 128MB of RAM (256MB recommended)
* 335MB of available hard disk space
* Microsoft Internet Explorer 6.0, 6.0 with Service Pack 1, 7.0 or 8.0; Firefox 2.0 or 3.0

Adobe Reader 9.1 (Macintosh)

* PowerPC G4, G5 or Intel processor
* Mac OS X v10.4.11?10.5.6
* 128MB of RAM (256MB recommended)
* 405MB of available hard-disk space
* Safari 2.0.4 or later

New Software Supported in 9.1

* Windows Server 2008
* Lotus Notes 8.5 support for email PDFMakers and Collaboration
* AutoCAD 2009 in PDFMaker and 3D Import

Adobe Acrobat and Reader 9.1 are major dot releases with a focus on stability across the entire products. Therefore, changes are numerous and testing should be comprehensive. The sections below describe the key areas that underwent the most change and deserve the most focus on testing: 3D, Forms, Hosted Services, Portfolios and Security.

for more read here

Adobe categorizes this as a critical issue and recommends that users apply the update for their product installations.

A critical vulnerability has been identified in Adobe Reader 9 and Acrobat 9 and earlier versions. This vulnerability would cause the application to crash and could potentially allow an attacker to take control of the affected system. This issue is remotely exploitable. There are reports that this issue is being exploited.

Adobe recommends users of Adobe Reader and Acrobat 9 update to Adobe Reader 9.1 and Acrobat 9.1. Adobe is planning to make available updates for Adobe Reader 7 and 8, and Acrobat 7 and 8, by March 18. In addition, Adobe plans to make available Adobe Reader 9.1 for Unix by March 25.

Adobe is also in contact with anti-virus and security vendors, including McAfee, Symantec and others, on this issue in order to ensure the security of our mutual customers. For Adobe Reader 7 and 8 users who are unable to update to Adobe Reader 9.1, as well as Acrobat 7 and 8 users