**(1) Rising Antivirus 2008**
Official Website: [http://www.rising.com.cn/](http://www.rising.com.cn/)
Free Usage Period: 6 months
Rising is offering a free 6-month version in support of the Olympics. You can legally use it for free within six months by directly downloading and installing the 6-month free version.
Download Link: [http://www.rising.com.cn/2008/free/index.htm](http://www.rising.com.cn/2008/free/index.htm)
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**(2) Kaspersky Anti-Virus 7.0**
Official Website: [http://www.kaspersky.com.cn/](http://www.kaspersky.com.cn/)
Free Usage Period: 6 months
Kaspersky's free authorization codes are distributed in collaboration with 360 Safe Guard.
**Notes:**
- The downloaded activation code must be activated and used within 15 days, or it will expire!
- If you have previously used Kaspersky's free activation code for trial purposes or used its built-in 30-day trial, you cannot use the free activation code again. The activation code can only be used once and does not support multiple activations.
Download Link: [http://kaba.360.cn/](http://kaba.360.cn/)
Activation Code Acquisition Method: [http://kaba.360.cn/custom/codehelp.html](http://kaba.360.cn/custom/codehelp.html)
Alternative Download Link: [http://cert.sysu.edu.cn/readmessage.jsp?id=67](http://cert.sysu.edu.cn/readmessage.jsp?id=67)
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**(3) ESET NOD32 Antivirus Software**
Official Website: [http://www.eset.com.cn/](http://www.eset.com.cn/)
Free Usage Period: 6 months
NOD32 has partnered with PPLive. Download and install the latest version of PPLive to obtain the NOD32 activation password. Install the PPLive-specific version of NOD32 and enter the activation code to use it for free for 180 days.
Download Link: [http://www.eset.com.cn/pplive/index.php](http://www.eset.com.cn/pplive/index.php)
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**(4) avast! Home Edition**
Official Website: [http://www.avast.com/index_cns.html](http://www.avast.com/index_cns.html)
Free Usage Period: 60 days or 1 year
The avast! Home Edition can be used for free for 60 days without online registration. After registering, it can be used for free for one year. Renewal can be done on the website after expiration.
Free Registration Link: [http://www.avast.com/cns/home-registration.php](http://www.avast.com/cns/home-registration.php)
Download Link: [http://www.avast.com/cns/download-avast-home.html](http://www.avast.com/cns/download-avast-home.html)
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**(5) AVG Anti-Virus Free Edition**
Official Website: [http://free.grisoft.com/](http://free.grisoft.com/) (English)
Free Usage Period: Long-term
The AVG Anti-Virus Free Edition is available for long-term free use for personal users. Simply download and install the Free Edition.
Download Link: [http://free.grisoft.com/ww.download?prd=afe](http://free.grisoft.com/ww.download?prd=afe)
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**(6) Trend Micro Antivirus 2008 Lifetime Free Edition**
Official Website: [http://cn.trendmicro.com/](http://cn.trendmicro.com/)
Free Usage Period: Long-term
Trend Micro Antivirus has collaborated with MoZhe Security Expert to offer a lifetime free version. First, download "MoZhe Security Expert," run it, and install Trend Micro Antivirus from the "Antivirus Software" section. No activation is required to use Trend Micro Antivirus for life. Alternatively, you can directly download the MoZhe Security Expert Deluxe Edition.
Download Link: [http://www.mozhe.com/dl/](http://www.mozhe.com/dl/)
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**(7) MicroPoint Antivirus Software**
Official Website: [http://www.micropoint.com.cn/](http://www.micropoint.com.cn/)
Free Usage Period: Unknown
MicroPoint Antivirus Software is currently not officially sold, so it can be used without payment. Simply download and install it. Note that registration is required to enable updates.
Download Link: [http://www.micropoint.com.cn/mpdownload.php](http://www.micropoint.com.cn/mpdownload.php)
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**(8) ClamWin**
Official Website: [http://www.clamwin.com/](http://www.clamwin.com/) (English)
Free Usage Period: Long-term
ClamWin can be used for free long-term. Simply download and install it.
Download Link: [http://www.clamwin.com/content/view/18/46/](http://www.clamwin.com/content/view/18/46/)
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**(9) Avira AntiVir Personal**
Official Website: [http://www.free-av.com/](http://www.free-av.com/) (English)
Free Usage Period: Long-term
Avira AntiVir Personal is available for long-term free use for personal users. Simply download and install it.
Download Link: [http://www.free-av.com/en/download/1/download_avira_antivir_personal__free_antivirus.html](http://www.free-av.com/en/download/1/download_avira_antivir_personal__free_antivirus.html)
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**The above 10 antivirus software programs are well-known and can be used for extended periods free of charge. You can choose based on your needs and preferences. For detailed information about each program, visit the official websites or search online for reviews or introductions. Pay attention to the supported platforms (e.g., Vista compatibility), and handle expiring free trials promptly (e.g., re-register or purchase).**
Additionally, the following antivirus software can also be tried for free but with shorter trial periods:
**(10) DuBa Antivirus 2008 Suite - 37 Days Free Trial**
Download Link: [http://www.duba.net/download/index.shtml](http://www.duba.net/download/index.shtml)
**(11) Jiangmin Antivirus 2008 - 30 Days Free Trial**
Download Link: [http://dl.jiangmin.com/download/index.htm](http://dl.jiangmin.com/download/index.htm)
**(12) McAfee Internet Security Suite - 30 Days Free Trial**
Download Link: [http://us.mcafee.com/root/downloads.asp?id=freeTrials](http://us.mcafee.com/root/downloads.asp?id=freeTrials)
**(13) Guanghua Antivirus Software - 30 Days Free Trial**
Download Link: [http://www.viruschina.com/downs/](http://www.viruschina.com/downs/)
**(14) AhnLab Internet Security 2008 Platinum Edition - 30 Days Free Trial**
Download Link: [http://www.ahn.com.cn/download/evaluation.jsp](http://www.ahn.com.cn/download/evaluation.jsp)