Free Software

WinZip
WinZip is the original and most popular of all Windows ZIP file utilities. Wizard/Classic interfaces accommodate both first-time and experienced users. With WinZip you can quickly and easily compress and decompress files, folders, and entire folder trees to save storage space and reduce e-mail-transmission time, as well as encrypt and decrypt your sensitive documents. Features include tight integration with Windows Explorer, support for most Internet file formats, and one-click zipping and e-mail.
http://www.winzip.com/

Microsoft Word Viewer
Word Viewer 2003 lets you open Word 2003 documents and documents created with all previous versions of Microsoft Word for Windows® and Microsoft Word for Macintosh. In addition to Word document files (.doc), you can also open files saved in the following formats: Rich Text Format (.rtf), Text (.txt), Web Page formats (.htm, .html, .mht, , html), WordPerfect 5.x (.wpd), WordPerfect 6.x (.doc, .wpd), Works 6.0 (.wps), Works 7.0 (.wps), XML (.xml), With Word Viewer 2003, you can view, print, and copy document contents to another program. However, you cannot edit an open document, save a document, or create a new document. This download is a replacement for Word 97 Viewer and all previous Word Viewer versions.
http://download.microsoft.com/download/4/0/0/40046a4e-1f0d-4d25-83d7-43f4177af47d/wdviewer.exe

Microsoft Excel Viewer
With Excel Viewer 2003, you can open, view, and print Excel workbooks, even if you don't have Excel installed. You can also copy data from Excel Viewer 2003 to another program. However, you cannot edit data, save a workbook, or create a new workbook. This download is a replacement for Excel Viewer 97 and all previous Excel Viewer versions.
http://download.microsoft.com/download/9/e/f/9ef13e5d-2116-40de-ab97-310811f0f3ca/xlviewer.exe

Microsoft Powerpoint Viewer
PowerPoint Viewer 2003 lets you view full-featured presentations created in PowerPoint 97 and later versions. This viewer also supports opening password-protected Microsoft PowerPoint presentations. You can view and print presentations, but you cannot edit them in the PowerPoint Viewer 2003.
http://download.microsoft.com/download/a/1/a/a1adc39b-9827-4c7a-890b-91396aed2b86/ppviewer.exe

Adobe Acrobat Reader
Allows you to download and view pdf files from the Web without purchasing the full version of Adobe Acrobat. (Version 705)
http://ardownload.adobe.com/pub/adobe/reader/win/7x/7.0.5/enu/AdbeRdr705_enu_full.exe