4 Best Free Firewall Softwares for Windows

Windows has it’s own inbuilt firewall since 2001 and so spending money on external firewall doesn’t make sense. Especially for the normal users who just use their computer for the personal use. But for the advanced users, best free firewall software post will be a great help.

Although the inbuilt firewall in Windows OS protects your system from outside not inside. So you may need a firewall which can protect you from inside system also. That means you may need something with default windows firewall. Today we have analyzed a large list of best free firewall and have chosen 4 best Free Firewall Softwares for Windows. But before getting into the list of bet free firewall software, let me tell you the basics of the firewall.

What is a firewall?

A firewall is a network security system that controls incoming and outgoing traffic based on certain rules. Firewall mainly establishes a barrier between trusted secure internal network and the internet.

Firewall is mainly of two types-

1. Network Firewall where a firewall software appliance runs on general purpose hardware.

2. Hardware-based firewall which filters the traffic between two or more networks.

Best Free Firewall Software for Windows- Top 4

1. ZoneAlarm Firewall

ZoneAlarm is one of the best free firewall software which protects your system from intrusions as well as malware from the internet. Once you have installed the ZoneAlarm firewall, you will have to check with the firewall to make sure all applications are running well and have proper internet connections.

There are 3 protection levels, Low, Medium and High-level protections. High level is not offered in the Free version, although the Medium level is even enough for a free program. ZoneAlarm mostly works in the background, only appearing when something changes, like when you install a new program or somebody else does.

2. Online Armor Firewall

Online Armor provides you the free protection in real time. Online Armor is one of the best free firewall software available in the market. As it provides real-time protection and so there is no need to scan your system for a log time. It has a large number of settings and configurations available especially in an advanced mode which will help you get protected in a better way.

The best feature of this best free firewall software is here you can block the traffic from some specific country. So if you think some malware traffic is coming for some specific country, you can block all the traffic from that country itself. It also blocks the hackers to access your computer and so is one of the best Free Firewall Softwares for Windows.

2. Comodo Firewall

Needless to say about Comodo, it is one the best internet security company provides wide ranges of internet security solutions like firewall, SSLs etc.

Comodo firewall has many advanced features which keep your system safe and secure from any online attack. Recently Comodo has launched its new version of firewall and this is useful for both light use and heavy use users. It includes a light sandbox component to limit the way unknown applications and new software installations affect your computer.

3. TinyWall Free Firewall

TinyWall is mainly famous for blocking Trojans, viruses, and worms. It is also one of the best Free Firewall Softwares for Windows.

TinyWall works on whitelisting the programs and to run this best free firewall you need not have any prior technical knowledge. If you’ll activate Autolearn mode in TinyWall then be sure that your computer has no malware.

Note: It is advisable to scan your computer before installing any firewall.

4. Ashampoo Firewall

Ashampoo is one of the best free firewall software and also very easy to use. It’s UI has been designed in such a way that anyone can handle it easily. If you don’t know how to configure a firewall but want full protection, Ashampoo is for you. It will notify you when an application wants to connect to the internet.


These were the 4 best firewall software for windows. If you are just a normal user then the default firewall of windows with one of the above 5 firewall software for windows would be sufficient for you. But if you are using the system for commercial use, you may go for premium firewall software.

Which firewall do you use in your system?

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