Adobe Reader software is the free trusted standard for reliably viewing, printing, and annotating PDF documents. It’s the only PDF file viewer that can open and interact with all types of PDF content, including forms and...
Adobe Reader XI does more than ever. So you can, too.
Adobe Reader software is the free trusted standard for reliably viewing, printing, and annotating PDF documents. It’s the only PDF file viewer that can open and interact with all types of PDF content, including forms and multimedia.
View and annotate PDF documents
With Adobe Reader XI, you can do even more than open and view PDF files. Now, it's easy to add annotations to your document using a complete set of commenting tools.
Fill, sign, and send PDF forms
Get documents signed in minutes instead of hours. Use Reader XI to complete, sign, and return a PDF form — and save a digital copy for your records.
Access PDF documents reliably
Rely on the leading PDF viewer to open and interact with any PDF file — across multiple operating systems and platforms, as well as your iPad, iPhone, or Android device.
Do more with PDF services
One click in Adobe Reader XI takes you to Adobe online services. Open a free or paid account to create PDFs, turn PDFs into Microsoft Office files, or build fillable PDF forms in minutes.
Manage software rollouts and standards compliance
Easily manage and deploy updates with industry-standard Adobe and Microsoft tools. Get support for a wide range of standards that affect document security. Extend Reader functionality using the free Adobe Acrobat® software development kit (SDK).
Adobe Reader version 8.1.2
Release Date: 2008-02-05
Changes: Version 8.1 of Adobe Reader provides a FIPS mode to restrict data protection to Federal Information Processing Standard (FIPS) approved algorithms, Version 8.1 of Reader supports Windows Vista, Version 8.1 of Reader supports the 64-bit versions of Microsoft Windows XP and Windows Vista.