We just finished our latest cothority-binary for you to try out. You can fetch the binary at

https://github.com/dedis/cothority/releases/latest

or follow the compilation instructions at

https://github.com/DeDiS/cothority

Be sure to report any successful installation of your servers to

https://groups.google.com/forum/#!forum/cothority

Also don’t hesitate to ask questions on that forum or open issues on github.