If you have a confidential PDF you want to password protect, you have a few ways to do that on your Windows 11 PC. You can use a desktop app or a web-based tool to encrypt your PDF files.

Do you share PDF files with other people? Here's how to password protect a PDF on Windows for protection against unauthorized access, editing, and printing.

How to password-protect Edge or Chrome browser First of all, install the Browser Lock extension from microsoftedge.microsoft.com page.