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.

Portable document format (PDF) files remain a popular choice for business documents ranging from contracts and forms to manuals and reports, so there's a good chance you need to open them often.