Bonnes pratiques de protection antivirus Windows en 2026
Configurez l'analyse en temps réel, les règles de pare-feu et les politiques de mise à jour pour une protection maximale avec un impact minimal sur les performances.
Windows remains the primary target for malware authors. A properly configured antivirus suite balances strong detection with low system impact — especially on laptops and gaming PCs.
Configure real-time protection
Enable real-time file guard, cloud threat intelligence, and automatic definition updates. Schedule full scans during idle hours — typically overnight when the device is plugged in.
Setting
Recommendation
Why
Real-time scanning
Always on
Blocks malware at execution
Cloud lookup
Enabled
Detects zero-day variants faster
Full scan schedule
Weekly
Catches dormant payloads
Gaming mode
Auto-detect
Reduces scan interruptions
Firewall and network hardening
Pair antivirus with intelligent firewall rules that block suspicious outbound connections. Review app permissions for unknown programs requesting network access.
Questions fréquentes
Does antivirus slow down gaming?
AntiMatter AV gaming mode defers non-critical scans during fullscreen applications while keeping real-time protection active for executable launches.
Is Windows Defender enough?
Built-in protection provides a baseline. Dedicated suites add behavioral ransomware defense, phishing link scanning, VPN, and unified cross-device management.