Mac users interested in Dj serato for osx 10.5.8 generally download:
Play music, sync and beat-match files for custom DJ mixes. Access your music library, generate a waveform representation for the currently playing audio, and quickly sync sounds. Save and restore multiple mixes, use the multi-track non-linear editing rack for adding effects and transitions.
Generate professional DJ presentations. Select multiple audio tracks and mix them according to set specifications, adjust the results manually, work with various equalizers and samples to create unique-sounding compositions. Import files from your iTunes library.