The Adobe® Reader® MUI 9.4.2 update addresses critical security vulnerabilities while providing more stability. Adobe always recommends that you install the latest security updates For more information regarding issues addressed in this release, see the Release Notes.

Note: This update can be applied Adobe Reader MUI version 9.4 or 9.4.1 This multilingual version is available in Brazilian Portuguese, Chinese Simplified, Chinese Traditional, Danish, Dutch, English, Finnish, French, German, Italian, Japanese, Korean, Norwegian, Spanish, and Swedish.

System requirements

• Intel® 1.3GHz processor
• Microsoft® Windows® 2000 with Service Pack 4; Windows Server® 2003, 2008, or 2008 R2(32 bit and 64 bit); Windows XP Professional, Home Edition, or Tablet PC Edition with Service Pack 2 or 3 (32 bit and 64 bit); Windows Vista® Home Basic, Home Premium, Business, Ultimate, or Enterprise with Service Pack 1 or 2 (32 bit and 64 bit), Windows 7 Starter, Home Premium, Professional, Ultimate, or Enterprise (32 bit and 64 bit)
  
• 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, 3.0, 3.5 or 3.6

Installation Instructions

This update can be applied to Adobe Reader MUI version 9.4 or 9.4.1. To determine which version of Adobe Reader you have currently installed, choose Help > About Adobe Reader. If you have version 9.4 or 9.4.1 installed, download and install the incremental patch.