Best Antivirus of 2025

We evaluated the functionality and performance of both paid and free antivirus products, with the results of the comparative analysis for each product shown in Table 1.

Detailed reviews of my best antivirus programs in 2025 Below, you’ll find in-depth reviews of the top antivirus solutions of 2025, based on our latest hands-on testing and lab data analysis. Each review covers real-world performance, key security fe

性能模式現在在 Windows 11 上作為新的 Microsoft Defender 防病毒功能提供。 效能模式可降低 Microsoft Defender 防病毒軟體掃描儲存在指定開發磁碟驅動器上的檔案的效能影響。 效能模式的目標是為使用 Windows 11 裝置的開發人員提高功能效能。 請務必注意，效能模式只能在 Dev Drive 上執行。 此外，必須開啟即時保護才能運作效能模式。 在開發磁碟驅動器上啟用此功能並不會變更在作業系統或其他磁碟區格式化為 FAT32 或 NTFS 的磁碟區上執行的標

ESET HOME Security Essentialprovides all-around protection against spyware, viruses, worms, adware, and rootkits. Another valuable functionality is the SysInspector diagnostic tool that captures a snapshot of system changes in order to track system change

The current tests of antivirus software for Windows 11 from October 2025 of AV-TEST, the leading international and independent service provider for antivirus software and malware.