Nullsoft Winamp is a fast, flexible, high-fidelity media player for Windows. Winamp supports playback of many audio (MP3, OGG, AAC, WAV, MOD, XM, S3M, IT, MIDI, etc) and video types (AVI,ASF,MPEG,NSV), custom appearances called skins (supporting both classic Winamp 1.x/2.x skins and Winamp 3 freeform skins), audio visualization and audio effect plug-ins (including two industry dominating visualization plug-ins), an advanced media library, Internet radio and TV support, CD ripping, and CD burning.

The Full version Plays MP3s, AAC, WMA, and more; Compatible with Winamp 2 Plug-ins; Full Support for Classic and Modern Skins; Plays Videos; has a Powerful Media Library; Browse Internet Radio & TV Stations; Integrated Internet Music Videos & Songs; Bundled Visualizations; and Burn & Rip CDs.

What's new:
New: By popular demand all "hTtP force to 'Now Playing'" support has been removed
New: Deletes in the Media Library now move files to the Recycle Bin
New: WMA Playback now works with WaveOut plugin
New: NSV Subtitles can be disabled on the fly
Fixed: Authentication for OGG/Vorbis streams
Fixed: Drag and Drop strange behavior in open file dialogs
Fixed: Stuttering WMA On Start and Seek
Fixed: NSV Video stall during buffering
Fixed: Autosize of video to be accurate to the Video size not snap size
Fixed: Short NSV Clips audio cutout
Update: CD Ripping Library
Update: Online Media tree is now dynamic (More free videos on the way!)
Update: Sonic Install / Config flag mismatch

Download:
http://download.nullsoft.com/winamp/client/winamp509_pro.exe