To replicate your production application its helpful when developing a local NodeJS Express application is running under SSL. There are some web technologies which do not play nicely with standard http and its likely to become more common e.g. Web Push Notifications. This lesson will show you how to create a local SSL certificate for localhost and then convert it into a format that will work with Express. It will also show you how to make sure that Chrome will trust it. This lesson is for Windows as it uses a powershell command, as well as the Microsoft Management Console (MMC)