How to sideload Microsoft Edge extensions on Windows 10
(Windows Phone Central)

You can install Microsoft Edge extensions from sources other than the official Windows Store. In this guide, we show you how. Starting with the Windows 10 Anniversary Update, Microsoft Edge includes support for extensions, which are small programs intended to add new features and enhance the web browser experience. Microsoft makes these extensions available through the Windows Store, but it`s also possible to install them manually. For example, if you`re a developer trying to test an extension you created, or you want to install a beta version of an official extension that isn`t available in the Store, you can install them on your own. ...