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.

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.

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.

Microsoft's new PDF annotation trick for Edge browser works both with mouse and cursor input as well as touch gestures.