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.

This tutorial shows you how to enable and validate Digital Signature for PDF files in the Microsoft Edge browser. You can also view digital signatures in Edge.

Microsoft is updating the PDF reader in the Edge browser with a useful new feature to help you annotate PDFs and highlight sections that might be locked.