How to Obtain Adobe Acrobat Reader
Adobe Acrobat Reader (aka Adobe Reader) is the free viewer program to read and print Acrobat (PDF) files.
Official Download Home Page
The primary download page is https://get.adobe.com/reader/enterprise. You will be presented with the correct version to download for your computer.
Direct Download Links
The following URLs are direct links to Adobe's download servers:
Windows XP SP2/2003/Vista/2008
Mac OS X
Windows 2000 SP4
Windows NT4 with SP6
If you require a Microsoft indexing client (such as Windows Desktop Search) to search inside PDF files, download and install the Adobe PDF IFilter from http://www.adobe.com/support/downloads/detail.jsp?ftpID=2611.