Winamp supports a wide variety of contemporary and specialized music file formats, including MIDI, MOD, MPEG-1 audio layers 1 and 2, AAC, M4A, FLAC, WAV, OGG Vorbis, and Windows Media Audio. It supports gapless playback for MP3 and AAC, and Replay Gain for volume leveling across tracks. In addition, Winamp can play and import music from audio CDs, optionally with CD-Text, and can also burn music to CDs. Winamp supports playback of Windows Media Video and Nullsoft Streaming Video, as well as most of the video formats supported by Windows Media Player. 5.1 Surround sound is supported where formats and decoders allow. 

Winamp supports many types of streaming media: Internet radio, Internet telelvision, XM Satellite Radio, AOL video, Singingfish content, podcasts, and RSS media feeds. It also has extendable support for portable media players, and users can access their media libraries anywhere via internet connections. You can extend Winamp's functionality through the use of plug-ins, which are available on the Winamp site. 

1. New! Winamp OrglerTM lets you track, chart and share your Winamp listening history
2. New! Find & manage Add-ons directly in your media player
3. New! Improved iPod Sync Support
4. New! New iTunes Library Import
5. New! Online Services Gallery
6. New! OurStage Radio Online Services
7. New! Turkish, Romanian and Portuguese Language Packs
8. Now Playing: Discover Artist Songs, Videos, Radio and Photos
9. New! Purchase tickets, find lyrics, & download music directly from your media player
10. New! Windows 7 Compliant
11. AOL Radio Powered by CBS Radio
12. Expanded Flash video support
13. Media Monitor: Playing music on the web just got even better
14. Language packs available in Chinese, Japanese and Korean
15. Updated Winamp toolbar - control Winamp from your browser
16. A Redesigned Unified Interface, including Album Art
17. Remote Music and Video Playback and Sharing
18. Dynamic Song Recommendations Playlist Feature
19. Multi-channel MP3 Surround Support
20. Mass Auto-Tagger Provides Latest Music Metadata
21. Integrated Web Search for Artist and Track Information
22. Album Art Support for Portable Devices
23. Updated Podcast Directory and Download Manager
24. Fully Integrated Web browser and customizable links
25. New Visualizer Plug-in - Milkdrop 2
26. Portable Device Sync support
27. Expanded Podcast Directory
28. Smart views with new pre-sets for dynamic playlists
29. Plays an insane amount of audio and video types
30. Compatible with Winamp 2 Plug-ins
31. Full Support for Classic Skins
32. Full Support for Modern Skins
33. Access over 30,000 SHOUTcast Radio Stations
34. Enjoy thousands of free songs and videos
35. Playback the AOL Video catalogue of video content
36. Listen to AOL Radio stations

• 500MHz Pentium III or comparable
• 256MB RAM
• 20MB Hard Disk Space
• 16bit Sound Card
• DirectX 9.0c (for watching videos and Milkdrop vis)
• Internet Explorer 5.01 or higher (for Online Services)
• 1x speed or greater CD Burner (Required for Burning)
• 2x speed or greater CDROM (Required for Ripping)