The RAND function returns numbers from the interval [0,1), and if you need to generate numbers from another interval, you should use the following formula: =RAND() * (bâa) + a. This will return random numbers from the interval [a,b) - greater than or equal to a, and less than b.
At the time, 5.4 was made available as a beta release alongside the stable 5.3.4 release. Now that 5.4 has become the latest stable Unity release, it seems the company intends to keep the program going a beta version of Unity 5.5 is slated to debut in the near future. source.
So, if you already downloaded the Unity Pro package, you could notice that it contains three packages inside (.unitypackage files). The first file Kinect.2.0.1410.19000.unitypackage contains base functionality of Kinect SDK for Unity. It will allow to track bodies, leans, colors and so on.