This download allows WMV3 (Windows Media Video 9) encoding and decoding in an AVI container. It also allows WMV3 decoding (both in ASF/WMV and AVI) on older versions of Windows (95, 98 First Edition, and NT 4).
Alternate download location that does not require validation:
(On first drop-down menu select “Codecs Installation Packages” and on the second one pick “For Windows Media Video 9 VCM).
P.S: VCM = “Video Codec Manager"
Windows Media Video 9 VCM was added to MovieCodec.com by Bjarne (07-23-2007).