You can install test builds from GitHub releases

Pre-requirements

Installation

If you are interested only to use the latest build just unzip the downloaded file to your local harddrive. No separate installation needed.

Remember to run executable always As Adminstrator or the connection to ifly does not work.

As always, DO NOT install this under Program Files or Program Files(x86). IT DOES NOT WORK from there due restriction Microsoft has created.

Enable SSL for fetching weather data

Get needed cacert.pem file from here

Source Code

You can find the source code at iFlyWebUi’s GitHub repo.