The Java starter bot requires Java 8 or above.
[https://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html]
The C# core starter bot requires .NET Core runtime package 2.x.
[https://www.microsoft.com/net/download/all]
The Python starter bot requires Python 3.6.
[https://www.python.org/downloads/]
The Javascript starter bot requires Node.Js 8.x.x or above.
[https://nodejs.org/en/download/]