How to Download and Install Bitdefender Total Security on Windows 10

With Bitdefender Total Security you get award-winning protection against digital threats across devices and online activities, plus password manager and email breach check.

安裝 Bitdefender 產品之前，請務必將舊版本產品或是其他防毒產品從您的電腦移除，以避免發生系統問題。 正常情況從Windows控制台即可移除乾淨，請參考 文章。

Bitdefender Total Security is an all-in-one cybersecurity solution that safeguards your devices from viruses, ransomware, phishing, and other online threats. It provides real-time protection,...

Bitdefender Total Security 提供鐵板式防護 - 甚至可抵禦最進階的惡意軟體 - 而且不會降低裝置的運行速度。

Bitdefender Total Security 2018 delivers multiple layers of protection against ransomware. It uses behavioural threat detection to prevent infections, and protects your most important documents from ransomware encryption.

Download BitDefender Total Security - Comprehensive protection against viruses, spyware, phishing and identity theft attacks, including file encryption, online backups and tools for...