REAPER 4.10 Revision 8072e4 is released as a simple yet effective and professional digital audio workstation software which brings a complete multitrack audio and MIDI recording, editing, processing, mixing, and mastering environment. 

• Record audio and MIDI from multiple inputs simultaneously
• Layer recorded tracks and takes over previous recordings
• Edit recordings in almost any imaginable way
• Hundreds of audio and MIDI processing effects included, or choose from thousands of third-party effects
• All editing and effects are completely non-destructive

REAPER works with almost any hardware and can be used in combination with a vast universe of other software and plug-ins. Take advantage of REAPER's full functionality using only your current computer and a microphone, or use REAPER to drive an entire professional recording studio. 

Major Features:

1. Fast, Powerful Editing
   • Drag and drop to import, arrange, and render
   • Freely mix audio, MIDI, video, still image media on any track
   • Easily move, split, glue, resize, trim, loop, time stretch, pitch shift, fade, crossfade, slip, snap to grid, without switching tools
   • Intuitive zoom, scroll, scrub, jog, tab to audio transient, MIDI navigation
   • Simple and powerful nested folder system allows group editing, routing, bussing, all in one step
   • Full automation recording, playback, and editing support for track controls and plug-ins
   • Easily manage tempo, time signature, and varispeed changes
   • Separate audio or MIDI into freely arrangeable takes and lanes for easy comping
   • Easily copy or move regions, to quickly try out alternate arrangements
2. Plug-in Support
   • Insert almost any third-party audio or MIDI plug-in: VST, VSTi, DX, DXi, AU (OSX only), JS
   • Native bridging and firewalling: run Win32 plug-ins in REAPER x64, maximize RAM utilization, protect against plug-in crashes
   • ReWire (audio and MIDI) any capable application for even more flexibility
   • Fully automatic plug-in delay compensation (PDC)
   • Sidechain any plug-in, even if the plug-in does not natively support sidechaining
   • Apply FX in real time, or non-destructively render FX output
   • Real-time network FX processing: use other local machines as an FX farm
3. 64-bit ReaPlugs Suite
   • Unlimited multiband EQ with draggable nodes
   • Graphical FFT EQ/dynamics processing
   • Technical and multiband compression
   • Flexible, open-format convolution reverb
   • Real-time pitch correction, with Elastique 2 Pro built in
   • Multitap delay, basic synthesizer, sample player, vocoder, algorithmic reverb, and more
   • Special-use plug-ins to virtualize outboard hardware, stream audio, connect to NINJAM servers, and more
   • Includes the JS audio and midi plug-in scripting engine, and hundreds of user-programmable effects
4. Intangibles
   • REAPER starts and loads fast - be ready to record in just a few seconds
   • Portable - put REAPER in your pocket and run it from a USB key or other removable media
   • Tightly coded - installer is only a few MB, updates can be installed in less than a minute
   • Rapid, efficient development - new features and optimizations are added quickly and often
   • Very active, enthusiastic, and helpful user forum, get help quickly
   • Fantastic and readable user-created user guide
   • An honest business model that aims to provide the best possible user experience

Requirements:

• 500mhz processor
• 10MB free disk space
• 800x600 in 256 colors or higher
• Compatible sound hardware