Microsoft Defender Free Download

Built-in Windows shield stopping online threats.

100% Free Safe & Verified September 22, 2026 No Ads Official Installer
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Scanned & clean Official installer Instant download 8528+ downloads
Microsoft Defender has been tested and verified clean by GramFile — it is completely safe to download and install on your Windows PC.

App Details

License
Free
Developer
Microsoft
OS Support
Win 10 / 11 / 7
Architecture
64-bit
Downloads
8528+
Updated
September 22, 2026

About Microsoft Defender

Microsoft Defender is a built-in, free antivirus solution that silently safeguards your Windows device. Unlike traditional antivirus programs that require separate installation, Defender seamlessly integrates with Windows, offering real-time protection without any additional setup or performance burden. Despite being free, Defender packs a punch. It leverages the power of machine… Read full review