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REAPER supports Windows XP, Vista, Windows 7, Windows 8, and Windows 10.

The Windows version also works well with WINE.

REAPER supports all OS X versions from 10.5* to 10.10.

Windows 32-bit
REAPER v5.01 - 8MB
Windows XP/Vista/7/8/10
Windows 64-bit
REAPER v5.01 - 10MB
Windows XP/Vista/7/8/10 x64
OS X 32-bit
REAPER v5.01 - 13MB
OS X 10.5-10.10
OS X 64-bit
REAPER v5.01 - 14MB
OS X 10.5-10.10
REAPER 5.01: Mistake Not...
  • fixed visual jitter when editing unlooped media item edge
  • improved editor preview behavior with anticipative FX
  • quantize note ends prevents creating 1 tick notes .
  • allow sending MIDI clock without SPP/continue messages, for certain devices
  • fixed midi peak issues with inactive takes
  • fixed multichannel/sidechain issues
  • improved compatibility and performance
  • improved keyboard support
  • support plain-text parameter display for envelope point editing
Audio Units
  • fixed ReaMote issues
  • fixed issues with renamed plug-ins
  • updated to v3.0.11
  • workaround for clicks when using formant preservation modes
  • fixed incorrect ordering when drag and dropping multiple FX to the end of a FX chain
  • now support parameter modulation/linking for take FX
Parameter modulation
  • MIDI/OSC learn for LFO phase
  • fixed copy/paste of FX with parameter linking
Samplerate conversion
  • optimized sinc interpolation, especially on C2D and earlier CPUs
  • renamed good to medium, better to good, best to better, and Extreme to HQ
  • added a new Extreme HQ mode
  • i/o latency estimation, limited by WASAPI API
  • loopback support
Item colors
  • fixed option to auto-color new takes .
Item labels
  • fixed option to draw labels over solid background with default theme .
  • fixed FFT Splitter .
Live FX multiprocessing
  • fixed issues with muted folders and record armed children
  • various fixes, new template langpack
  • fixed display of send indicators when 0dB volume max .
  • fixed hand scroll behavior with arrange view spanning tracks
  • optimized channel mixing, media item fades
Project bay
  • improved collapsed FX parameter display
  • added $namecount wildcard, to count items or regions with the same name
  • allow restoring default name to plug-ins by renaming to an empty string
  • RF64 read/write support
  • improved 8-bit support (9+ year old bug) .
  • fixed WaveOut bug from 2011 that caused Wine problems starting in 4.76 .

    Old Versions
    Language Packs
    Theme Development
    Custom Cursors
    JSFX Programming
    Extensions SDK
    Extensions to VST SDK
    Language Pack Template
    User Guide