Adobe Acrobat Reader (This is required to read a pdf document - free)
Microsoft Internet Explorer (Update your browser from Microsoft - free)
Mozilla Firefox (An excellent alternative Interent Explorer - free)
Mozilla Thunderbird (An excellent Email Program - free)
Mozilla Sunbird (An excellent Calendar and Scheduler - free)
Quicktime Player (A video player for viewing Quicktime movies and more - free)
Windows Media Player (This is the standard window media player - free)