Live 9 comes in three editions: Intro, Standard and Suite.
The editions share common features, but Standard and Suite have additional features, Instruments, Packs and Effects.

Here are the features common to all editions of Live 9:

Unique Session View for quick, intuitive composition, flexible performance and improvisation

Multitrack recording up to 32-bit/192 kHz

Nondestructive editing with unlimited undo

Powerful MIDI sequencing of software and hardware instruments

Advanced warping and real-time time-stretching

Unlimited Instruments, Audio effects and MIDI effects per project

Group tracks

VST and Audio Unit support

Time signature changes

Multiple automation lanes

Track Freeze

Automatic plug-in delay compensation

MIDI remote control instant mapping

MIDI output to hardware synths

MIDI Clock/sync

ReWire

Multicore/multiprocessor support

WAV, AIFF, MP3, Ogg Vorbis, FLAC file support

The essentials at a great price

Some feature limitations

3 Instruments

26 Effects

700+ Sounds (4GB)

Audio and MIDI tracks: 16

Scenes: 8

Send and Return tracks: 2

Audio inputs: 2

Audio outputs: 2.

INSTALLATION REQUIREMENTS:
Intel Mac with Mac OS X 10.5 or later, or PC with Windows XP,Windows Vista, Windows 7 or Windows 8; Multicore processor; 2GB RAM; 1024x768 display; DVD drive or broadband internetconnection for installation.

REQUIRED DISK SPACE FOR BASIC INSTALLATION:
3GB free disk space.

DISK USED IF ALL INCLUDED SOUNDS ARE INSTALLED:
Live 9 Suite: 55 GB free disk space
Live 9 Standard: 12 GB free disk space