From terminal from root of app, run the deployment script
npm install
Then
npmrunbuild:win
It creates a cache and a build folder. cache is a folder used by deploy to keep the latest version needed to build and package the app, to avoid having to re-download it every time. While the packaged app ready for use can be found in the build folder.
It packages the app as a .exe file.
Note
If you are deploying/building from a Mac OSX computer for a windows machine as your target you might run into a compatibility issue.
You'll need to follow this tutorial to get your mac setup with wine in order to be able to package the app for windows while on Mac.
Key steps are.
Install `brew if you don't have it already, skip if you do.