JavaSince Java version 1.8.0-211 Oracle change to a restricted license which does not cover "commercial" usage in any way. ETHZ and UZH talked to Oracle and got the answer that any usage of Java at these institution is commercial.
Due to some other changes in Java functionality you need Java version 1.8 for the use with B-Fabric Download Manager. Lower or higher versions do not work.
- Download for Windows: https://github.com/ojdkbuild/ojdkbuild/tags
It is crucial, that you activate the Web Start, which is not installed by default.
Click on any button in B-Fabric with the name "Download" to start.
See the screenshots below.