Yes, we must provide internet to validate the license key.
The manual is clear and sufficient?
The Lite version comes with full manual of over 600 pages.
It is a little long for a flanged version because all of the options proposed in the manual is not available in it.
Have you experienced any incompatibilities?
The general configuration is easy?
If you do not know anything software computer music, it can be a little more difficult.
I use OSX 10.9 and I have the resources for proper configuration.
For those who have very small computers, it will not be too much demand on the number of tracks Midi / Audio.
How long have you use it?
Since January 2014.
I acquired this version when buying a LunchPad Mini is a small preview to proposed Ableton Live full version.
Ableton Lite allows you to get acquainted with the computer music, the software can do the trick for widely created loops and arrange some track.