8款国外知名杀软的免费试用版(90天、半年或一年){申精}

CA Internet Security Suite 2007 - FREE90-Day Trial & CA Anti-Virus 2007 FREE 1-Year Trial
http://shop.ca.com/STContent/Microsoft/Default.aspx?sc_lang=en-US
CA Internet Security Suite 2007 - FREE90-Day Trial
http://home3.ca.com/Microsoft/Default.aspx?sc_lang=en-US

Norton Internet Security™ 2007 90天免费试用版
Norton Antivirus™ 2007 90天免费试用版
英文版：
http://www.symantecstore.com/dr/v2/ec_main.entry25?page=1582AIndexPage&client=Symantec&sid=37771&cid=273172
简体中文版：
http://shop.symantecstore.com/store/symantch/Content/pbPage.NISNAVMSLandingCS/pgm.7467100

F-Secure Anti-Virus 6 month trial
http://www.f-secure.com/protectyourpc/

McAfee VirusScan 90 day Free Trial
http://us.mcafee.com/root/landingpages/default.asp?lpname=ms_vso&cid=8448
McAfee VirusScan Plus免费一年订阅(McAfee与NatWes合作举办的活动)
http://www.natwest.com/microsites/personal/latest_deals/index.asp?referrer=online

PandaInternet Security 2007 with 3 months'FREE services
http://www.pandasoftware.com/com/microsoft/english?

Windows Live OneCare 90-day free trial
http://onecare.live.com/standard/en-us/purchase/trial.htm?sc_cid=mscom_hp

NOD32的3个月免费正版授权
下载：
http://www.eset.com/download/registered_software.php
官方正版ID申请：
NOD32台灣官方網站 - 免費伸請 NOD32 60 天完全版
http://www.nod32tw.com/60day/
《电脑迷》杂志的NOD32 3个月ID免费申请
http://www.nod32club.com/partner/comfans/two/question.php

Avira AntiVir Personal Premium
Avira与CHIP3个月免费序列号
http://www1.avira.com/de/evaluate/chip.php
下载：
http://www1.avira.com/en/downloads/avira_antivir_personaledition_premium.html



这些都是官方的免费试用版本，非破解版。有些试用版在重装系统之后就可以继续用，也就是可以长期免费试用啦，呵呵。