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.
System Requirements for Unity version 5.6, released 31 March 2017. OS: Windows 7 SP1+, 8, 10; Mac OS X 10.8+. GPU: Graphics card with DX9 (shader model 3.0) or DX11 with feature level 9.3 capabilities. If your company currently makes more than $100k in annual gross revenues or has raised funds in excess of $100k, you are not permitted to use Unity Personal as defined in our EULA Agreement.