(almost)  Complete List of Video Players


Windows Media Player

   
Windows Media Player 11 for Vista        Direct Download | Source Link
Windows Media Player 11 for XP            Direct Download | Source Link
Windows Media Player 10                        Direct Download | Source Link
Windows Media Player 9 Series              Direct Download | Source Link
Windows Media Player 7.1                       Direct Download | Source Link
Windows Media Player 6.4                       Direct Download | Source Link

Official Windows Media Download Center



Quicktime
*in most cases do not install the Quicktime package with i-Tunes
Quicktime 7.6.5     Direct Download | Source Link

Official Quicktime Support Downloads


VLC Player

VLC 1.0.3 (for Windows)     Direct Download | Source Link



Windows CODEC Packages

*don't mess around with these unless you know what you're doing
FFDSHOW                            Direct Download | Source Link
K-Lite Codec Package     Direct Download | Source Link
XP Codec Pack                   Direct Download | Source Link



Adobe Media Player (formerly Adobe Flash player)


What is the difference between Adobe Media Player and Adobe Flash® Player?

Adobe Flash Player is a cross-platform browser extension that plays back SWF and FLV/MPEG-4 content within web pages when you are online. Adobe Media Player is a cross-platform desktop application designed to play back streamed or downloaded FLV or MPEG-4 video content when you are online or offline.

Adobe Media Player (only provided as an online install) http://www.adobe.com/products/mediaplayer/

*Uncheck the "Install Google Toolbar" Option:
Adobe Flash Player 10.0.42.34
   Direct Download | Source Link

Official Adobe Archived Flash Players