Best Free Windows 7 / Vista Software Download

Browsers

Mozilla Firefox

Google Chrome
MS Internet Explorer 9

Browsers Plugins

Adobe Flash Player

Adobe Shockwave Player

Java Runtime Environment 
Microsoft Silverlight

Antivirus Software

Avira AntiVir Personal - Free Antivirus

AVG Anti-Virus Free Edition
Immunet Protect Free
Spybot - Search & Destroy 

PDF

Adobe Reader

doPDF free PDF converter
Martview 

Office Suite
MS Office 2010 Starter

OpenOffice

Office File Converter Pack 
MS Office Online File Converters and Viewers
 

Web Editors
SharePoint Designer 2007 
Kompozer

Graphic / Photo Editor

Photoscape
Picasa
Gimp

Google SketchUp - 3D software tool

Players

Apple - iTunes

Apple - QuickTime

Real Player
MS Windows Media Player 

Codec

K-Lite Codec Pack  

Drivers
DirectX

.NET Framework 

Email Clients
Thunderbird
Windows Live Mail

Messaging and Chat

Skype

Windows Live Messenger
Yahoo! Messenger
Google Talk 

CD/DVD Burner

CDBurnerXP
Nero BurnLite

Compression and Backup
7-zip

Chinese Input

Microsoft Pinyin Input Method

Google Chinese PinYin Input Method 

System Tools

Defraggler for Disk Defragmentation

Recuva for File Recovery 

Remote Access and Support
TeamViewer

Miscellaneous

Ciba Chinese Dictionary
JStock - Free Stock Market Software