I've never understood what comes after the
Cleaning the post up.
If you use Angular CLI: ng build Navigate to your app folder /dist
To run the app on a server: copy everything from dist folder + all your assets ( bootstrap.css or image folder or fonts folder)
If you are trying to run the app from local PC keep in mind that the app is looking for your assets in the root folder (C:/, D:/).
Open your Index.html file and edit the to point to the correct path, you don't need to do this on a server or hosting.