看起來不錯,又是免費的
About Microsoft Security Essentials
Microsoft Security Essentials provides real-time protection for your home PC that guards against viruses, spyware, and other malicious software.
Microsoft Security Essentials is a free* download from Microsoft that is simple to install, easy to use, and always kept up to date so you can be assured your PC is protected by the latest technology. It’s easy to tell if your PC is secure — when you’re green, you’re good. It’s that simple.
Microsoft Security Essentials runs quietly and efficiently in the background so that you are free to use your Windows-based PC the way you want—without interruptions or long computer wait times
關於 Microsoft Security Essentials
Microsoft Security Essentials 為您的家用電腦提供即時防護，可防範病毒、間諜軟體及其他惡意軟體。
Microsoft 免費*提供 Microsoft Security Essentials 軟體下載，不但安裝簡單、使用方便，而且讓您的電腦永遠受到最新技術的保護。您一眼就能辨別電腦是否安全 — 綠色代表狀況良好，就是這麼簡單。
Microsoft Security Essentials 可以在背景安靜且有效率地執行，因此您能夠隨意使用 Windows PC，而沒有中斷或長時間等候電腦的問題。
