[Top 5] Best Free Firewall Software for Windows

If you use Internet in your computer system, your computer is always at risk of getting virus infection. Whenever we browse on Internet, some data is downloaded on our system and some data is uploaded from our system. That's why we always need a good firewall software for our computer system.
Firewall is a security software which regularly monitors the incoming and outgoing data when you are online and it automatically blocks or prompts you whenever it detects suspicious activities.
Recently we posted about top 5 free antivirus and anti-spyware software for Windows:
[Top 5] Best Free Antivirus and Anti-Spyware Software for Windows
Now its turn of Firewall software for Windows because only antivirus or anti-spyware software is not enough for your computer. If you want complete security, you should also install a firewall software in your PC.
Today in this article, we are going to share top 5 free firewall software for Windows operating system. We have selected the best firewall programs available for Windows which are absolutely free to download and use.
So without wasting time, lets share the list:

1. Zone Alarm Free Firewall

Zone Alarm is one of the most popular and widely used firewall software for Windows. It blocks hackers and prevents viruses & spyware from stealing your personal data and sending it out to the Internet. It works great with almost all antivirus software. Its a 2-way firewall so it also prevents your personal information to be sent on Internet.
Its absolutely free for private use. You can download it using following link:
Download Zone Alarm Free Firewall

2. Comodo Firewall

Comodo is another popular free firewall software for Windows. Its very lightweight program which comes with simple and easy to use interface. Just like any other firewall, it defends your PC from Internet attacks and prevents malware from being installed on your PC.
You can download it using following link:
Download Comodo Firewall

3. Outpost Security Suite Free

Outpost is another popular firewall company for Windows. In past they used to release only firewall software for Windows but now they have replaced it with a complete security suite which can be downloaded absolutely free. Outpost Security Suite comes with a fully functional antivirus, anti-spyware and firewall program.
You can download it using following link:
Download Outpost Security Suite Free

4. Online Armor Free Firewall

Online Armor is another free firewall available for Windows. Its setup process is straightforward and configuration is a one-time event and part of the initial installation process. It provides complete protection from inbound threats and control of data leaving your computer for the internet.
You can download it using following link:
Download Online Armor Free Firewall

5. Windows Firewall

If you are using Windows 7 or Windows 8, you can use the built-in Windows firewall program. Windows XP and Vista firewall was not that great but Microsoft has greatly improved it in Windows 7 and Windows 8 OS. Windows Firewall is enabled by default and automatically monitors and blocks suspicious attacks. Freeware such as TinyWall and Windows Firewall Notifier can be used to enhance Windows firewall functionality. Thanks to our reader "Carbonize" for mentioning them.
So which firewall software are you using in your Windows? Did you already know about the above mentioned software? Feel free to share your feedback and experience about firewall software in your comment...

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