Microsoft Defender Application Guard is a security feature that allows secure browsing on untrusted websites using the Microsoft Edge browser.
To enable Microsoft Defender Application Guard on Windows 11, go to Settings, select Apps, click on Optional Features, scroll down to More Windows features, and enable Microsoft Defender Application Guard.
To use Microsoft Defender Application Guard, open Microsoft Edge browser, click on the three dots, and select 'New Application Guard Window'. This creates a secure browsing session.
To disable Microsoft Defender Application Guard, uncheck the option in the Windows Features pop-up.