With email becoming more Web-Based and not as many email clients installed on systems these days. You will need to make sure that you have a web email setup in your browser as a default email so when clicking on a email link such as the ones below or any web page, it will bring up your email client.
With multiple Browser, OS, System combinations it is hard to just have one setup procedure. The following link is a great video on how to setup your email client in google.
How to setup a web email as your default email client