This is a short list of highly recommended free softwares for total protection of your Windows PC (Computers with Windows Operating System).這是一個短期的名單高度推薦的免費軟件總保護您的Windows PC （電腦與Windows作業系統） 。

It protects you from Spyware, Adware, Malware, Virus, Trojans, Spam etc. They can be set to automatically update from the internet and keep your protection uptodate always.它保護您免受間諜軟件，廣告軟件，惡意軟件，病毒，木馬，垃圾郵件等等，他們可以設置為自動更新從互聯網上和保持您的保護uptodate始終。

I personally use(d) each of them and I am satisfied with their quality.我個人使用（ d ）在它們各自的和我很滿意他們的素質。

1 Anti-Virus反病毒 AVG Free Edition平均免費版 Continuously protects your computers against viruses, trojans and malware不斷保護您的計算機免受病毒，特洛伊木馬和惡意軟件
2 Firewall防火牆 Free Zone Alarm自由區警報 Protects your computer from unauthorized external or internal accesses.保護您的計算機免受未經授權的外部或內部的通道。 It effectively puts a shield (firewall) around your computer.它有效地把盾牌（防火牆）左右，您的計算機上。
3 Anti-Spyware反間諜軟件 Ad-Aware廣告意識 Protects your computer against spyware, adware and malware.保護您的電腦對間諜軟件，廣告軟件和惡意軟件。 Ad Aware and Spybot Search & Destroy complements each other.廣告知道和的Spybo Search ＆ Destroy補充，取長補短。 In combination they provide much wider coverage than acting individually.在組合他們提供更廣泛的範圍比單獨採取行動。
4 Spybot Search & Destroy的Spybo Search ＆ Destroy
5 Anti-Spam反垃圾郵件 SpamBayes spambayes It is based on (naive) bayesian theory.它是基於（幼稚）貝葉斯理論。 It learns quickly from your preferences (spam or not-spam) and is over 95% accurate.而且學習很快從您的偏好（垃圾郵件或不是垃圾郵件） ，並且是95 ％以上的準確。 The Outlook Addin integrates nicely with Microsoft Outlook (2000 / 2002(XP) / 2003) software.該Outlook增益整合好，與Microsoft Outlook （ 2000 / 2002 （ XP中） / 2003 ）軟件。 It doesn’t work for Outlook Express or other email clients like Pegasus.它不適用於Outlook Express或其他電子郵件客戶端一樣，飛馬座。
6 POPFile popfile Automatic email classification based on naive bayesian theory.自動發出的電子郵件分類的基礎上的樸素貝葉斯理論。 Works for all email clients.工程為所有的電子郵件客戶端。 More scalable than SpamBayes but slightly less user-friendly than SpamBayes Outlook Addin.更具擴展性比spambayes ，但略少用戶友好的比spambayes Outlook增益。 It is not limited to spam-ham classification.它並不僅限於垃圾郵件火腿分類。
7 Safe Internet Browser安全的互聯網瀏覽器 Firefox火狐 Firefox is faster, safer and much more powerful than Internet Explorer. Firefox是更快，更安全和更強大的Internet Explorer以外的。 It protects against several strains of viruses, trojans and adware which affects Internet Explorer.它保護對若干株病毒，特洛伊木馬和廣告軟件影響的Internet Explorer 。

Note: You can also use the注意：您也可以使用 ZoneAlarm(R) Internet Security Suite 6 ZoneAlarm的（ ）的Internet Security Suite 6 for one-stop solution to all your computer security needs.為一個一站式的解決所有您的計算機的安全需要。

Note 2: The provided executables are latest as of today.注2 ：所提供的可執行文件是最新的截至今天為止。