Firstly, simply launch the Microsoft Edge browser on your PC. Then, you need to import a PDF document file that you want to sign using the Ctrl + O hotkey.

How to Change Settings to Open a PDF File. A Portable Document File is a type of file that uses an open standard across different computer platforms and programs.

In this guide, we'll show you the steps to use the Chromium version of Microsoft Edge as your default PDF viewer on Windows 10.