This MEAN-stack tutorial describes using Bower to install AngularJS in your public folder. One of the steps describes creating a file called \".bowerrc\" in your test-app f
To create a file that starts with a "." in Windows, you just need to add a trailing ".".
So, simply name your file ".bowerrc." instead of ".bowerrc".
See https://superuser.com/questions/64471/create-rename-a-file-folder-that-begins-with-a-dot-in-windows for more information and more detailed solution if this doesn't work for you.