A modern alternative if you specifically need DirectShow filters for Windows Media Player.
Searching for a "torrent" of this specific software is highly discouraged for several reasons: Nvidia Purevideo Decoder Platinum Torrent
You can achieve the same (or better) results for free using modern, safe software: A modern alternative if you specifically need DirectShow
The was a premium software plug-in released in the mid-2000s for Windows XP and Windows Media Center. It was designed to provide high-quality MPEG-2 video decoding and Dolby Digital/DTS surround sound audio for DVD playback by offloading processing to the GPU. Key Facts About the Software Key Facts About the Software It allowed older
It allowed older PCs with Nvidia GeForce 6 and 7 series GPUs to play DVDs and high-definition video with minimal CPU usage.
The "Platinum" version was the highest tier, specifically adding support for DTS audio decoding and advanced surround sound features.