This is the first release which is working for Windows.
For Ubuntu use the PPA which is automatically built daily.
This is an alpha build, which may contains errors
If you find errors, please create a ticked.
If you are a developer, working on windows, please contact us, e.g. over a new Issue.
If you want to install it to the Program Files folder, run the Setup as Administrator (it does not request it automatically at the moment)