Best Free Firewalls For Windows PC To Protect Your Computer in 2023

by Toby Cunningham

Best Free Firewalls For Windows To Protect Your Computer in 2023 - A Firewall is a security solution to save your computer from unauthorized access of users on a public or private network. Your computer has a built-in Windows firewall to secure your computer but you can also download a free firewall software for Windows.

Why a Need for a Free Firewall for Windows PC in 2023?

The implementation of firewall solution is software-based, hardware-based or both. Firewall programs protect you from unauthorized users accessing public or private networks on the internet. Windows has a built-in firewall for your computer but there are many software -based and hardware-based firewalls.

List of Best Free Firewalls For Windows PC in 2023

In this article, if you are searching for the top 10 free Firewalls for Windows to secure your computer then you can find the firewall software for Windows system.

1. ZoneAlarm Firewall - Firewall Link

ZoneAlarm Firewall
ZoneAlarm Firewall

ZoneAlarm Firewall is the earliest app that launches the first firewall. It can protect your computer from unofficial access to users on the internet. It provides security for the wi-fi networks and devices connected to the internet in public networks.

ZoneAlarm Firewall secures your computer from attacks of hackers, stops malware, and links to the DefenseNet for providing real-time security alerts against threats. It will provide security to your computer on public wi-fi networks from attacks. It needs an email for activating the firewall program.

ZoneAlarm Firewall works on Windows 7, 8, and 10

You can download ZoneAlarm Firewall from the title

2. Comodo Firewall - Firewall Link

Comodo Firewall
Comodo Firewall

Comodo Firewall is the outstanding free firewall program present on the internet and includes an extra browser in the installation of a firewall. It makes a sandboxed variant of the browser so you can use the internet securely and visit many websites. It saves your PC against malware and hackers. It has a website filter that allows you to stop access to the websites.

You can also use other software programs in the sandboxed environment for security. The firewall gives you control to the permissions for networks and programs. It will also make a secure Comodo browser its default browser. Comodo firewall program allows you to change your DNS to Comodo secure DNS for secure browsing.

Comodo Firewall works on Windows 7, 8, and 10

You can download Comodo Firewall from the link above

3. TinyWall Firewall - Firewall Link

TinyWall Firewall
TinyWall Firewall

TinyWall is a free and small firewall app for Windows. The TinyWall program extends the functionality of the built-in Windows firewall. The TinyWall icon is in the system tray to view the program menu. It doesn’t show you pop-ups on the screen.

The firewall app allows you to whitelist applications by executable, whitelist by process and whitelist by the window to stop programs from blocking. The firewall app enables you to block websites and IP addresses on the blacklist. It has only 1 Mbytes in size.

TinyWall Firewall works on Windows Vista, 7, 8, and 10

You can download TinyWall Firewall from the website

4. GlassWire Firewall - Firewall Link

GlassWire Firewall
GlassWire Firewall

GlassWire is a free firewall and checks your network traffic as well . GlassWire shows you the information about the usage of network traffic. The firewall lets you stop the incoming and outgoing traffic on your network manually. It also allows or stops the programs running on your computer to access the internet in the firewall tab. It keeps tracking all current or past activity of your network.

You can set up the firewall profiles for a home network setting or a public Wi- fi network setting. It is an app interface built on top of the Windows default firewall to give you access to more information. The usage tab tells bandwidth usage of each app daily, weekly or monthly. The Graph tab shows the network traffic visually.

GlassWire Firewall works on Windows 7, 8, and 10

You can download GlassWire Firewall from the website

5. OpenDNS - Firewall Link


OpenDNS is an alternate method to firewall software. It is not downloadable but can create changes to your network so that it will access the internet using the OpenDNS servers. It is a cloud-based service so you don’t need to install it on your computer.

OpenDNS filters the content to protect your data based on your customizations and blocks the content and websites you want. The OpenDNS service is also for routing all your internet traffic through the OpenDNS server and protects your data from hackers.

You can set up OpenDNS on routers, computers, laptops, mobiles, and servers.

You can sign up for free OpenDNS service on the website.

6. Outpost Firewall - Firewall Link

Outpost Firewall
Outpost Firewall

The outpost firewall program makes the firewall function more accessible to computer users. An outpost firewall can allow or stop programs to access the internet. The firewall also enables the user to include IP addresses and ports for allowing or blocking network access.

The outpost firewall protects your computer by scanning and removing malware. It includes whitelisting programs, an auto-leak feature blocking malware, intrusion detection, browsing protection, stoping ads, blocking content on websites, and locking file or folder.

Outpost Firewall installs and runs on Windows XP, Vista, 2000, 2003, 7, 8, and 10

You can download Outpost Firewall from the website

7. AVS Firewall - Firewall Link

AVS Firewall
AVS Firewall

AVS firewall is a user-friendly program and an easy to use app interface. The firewall secures your computer from malicious activity, pop-up screens, and blocking ads. It allows or blocks programs manually from the list to access the internet.

The firewall program also allows or blocks IP addresses and ports. The AVS firewall checks any malicious changes to the registry and saves your computer from malware and worms. It also provides the users browsing protection.

AVS Firewall installs and runs on Windows 7, 8, 10, Vista, and XP

You can download AVS firewall from the heading

8. Avast - Firewall Link


Avast is a free antivirus software and provides online security solutions to users on the internet or using Wi- fi networks. It includes a firewall for protecting your computer. The avast software builds a sandbox environment so you can install any software from the internet without the chance of spreading viruses on your computer.

Avast is a cloud-based solution for protecting your local network or public network. Avast is a network security solution for detecting threats in real-time and stops the malicious attacks before they damage your computer.

Avast antivirus software installs and runs on Windows, macOS , and Android.

You can download Avast antivirus from the website above.

9. Privatefirewall - Firewall Link


Privatefirewall is a security software for computer networks. The firewall allows or blocks programs executing on your computer in the list from accessing the network. You can include new programs or applications on the list.

The firewall can also allow or stop processes running on your computer from accessing the network. Right-clicking on the private firewall icon in the taskbar easily block or filter network traffic. You can also block IP addresses and content on websites.

Privatefirewall works on Windows 7, 8, Vista, XP, 2003, and Server 2008

You can enjoy the Privatefirewall today from the title link.

10. Netdefender - Firewall Link


Netdefender is a very basic firewall program for allowing or blocking traffic on the network. You can include source IP address, destination IP address, source port, and the destination port for blocking or allowing any IP address. You can block any port such as FTP from using on the network.

The firewall allows or blocks programs or applications executing on your computer in the list from accessing the network. You can include new programs or applications on the blocked list. Netdefender has also a port scanner so you can view the ports exist on your computer.

Netdefender works on Windows 7, 8, XP, and 2000

Download Netdefender from the link above

Conclusion of Best Firewalls For Free with Windows PC in 2023

In this article, we look at many free firewalls to protect your computer from attacks of hackers. So, we have shortlisted 10 free firewall software so that you can start using a firewall program on your computer. ZoneAlarm firewall provides you real-time security alerts against threats on public wi-fi networks. The Comodo firewall provides security on the internet and protects your computer from hackers and malware. TinyWall is a very light firewall app for blocking programs, websites and IP addresses. GlassWire firewall app for checking traffic on network and blocking applications. OpenDNS is a free cloud-based service protects your computer from hackers by routing all traffic through the OpenDNS server. The outpost firewall removes malware, block programs, IP addresses, and websites. AVS Firewall protects your computer from malicious changes, removes malware, blocks programs in the blocklist , blocks IP addresses and ports. Avast is an online security solution for networks protects you from hackers and detects security threats in real-time against attacks of hackers. Privatefirewall filters your network traffic and blocks programs, processes, IP addresses, and content on websites. Netdefender firewall is for blocking IP addresses, ports, and programs running on your computer. All these firewall software provide security to your computer on the network.

About Toby Cunningham

As an MS Windows writer, Toby Cunningham continues to contribute to the tech community by sharing his knowledge and insights through various online platforms, including blogs, forums, and technology publications. His passion for empowering users with the necessary tools to navigate the digital landscape makes him a respected figure in the Windows community, and his work continues to make a positive impact on Windows users worldwide.

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