Windows-Defender-Application-Guard-Hardening Implement WDAG and Harden Windows Based OS'es Browser Extensions and Companion App: Browser Extensions: Chrome FireFox Companion App: Microsoft Defender Application Guard Companion Install: Documentation PowerShell Enable-WindowsOptionalFeature -online -FeatureName Windows-Defender-ApplicationGuard Recommended Reading: Frequently asked questions - Microsoft Defender Application Guard Prepare to install Microsoft Defender Application Guard Configure Microsoft Defender Application Guard policy settings