Top Free Alternatives to Windows Defender for Windows

Windows Defender is a malware and virus protection program inbuilt in Windows operating system. The program was designed initially for Windows XP, but was later developed for all other versions of the software. Now its available with Windows 7, 8 and 10 as well.

Windows Defender software

Major Features of Windows Defender

Windows Defender is a highly sensitive and sophisticated software that has been designed to provide maximum protection to the users and admins. It has been designed to detect the threats to your system and block all spyware, malware and virus. In order to provide complete protection, it will also block all pop ups and also helps in case the computer is performing slow.

The major features of this program are:

1) Information Sharing

All the information that Windows Defender receives about a malware from the computer of a user is shared to all the other systems through Spy Net, which is a community that the program has ties with. This ensures that all the computers with Windows Defender will be protected from that malware.

2) Hassle Free Usage

Windows Defender is a pre-installed software of Windows Operating System. The program gets regular updates which will also be automatically installed on your computer once it is connected to internet. Thus, there is nothing that the user has to do manually and the software will ensure automatic protection.

If you still want to stay with Windows Defender then you can download latest version using below link:

Top Alternatives to Windows Defender

ZoneAlarm Free Firewall 2019

This is my favorite firewall software which I have been using since my college life. The best part about Zone Alarm software is that it take little resource of system yet very powerful firewall.

The free version comes with firewall that is enough for home or small office to secure their system. It has 4.5 rating on PC Mag and won 13 award till 2019.


  • Strong Firewall
  • Traffic Monitor
  • Incoming and Outgoing Connection Monitor
  • Download: Click here (Official website)
  • File Size: 5.1 Mb
  • System Support: Windows 10/8/7

You can consider checking Zonealarm alternatives here.

Comodo Free Firewall

Comodo Free FirewallIt’s an award-wining Free Firewall that provide complete peace of mind from malware and hackers.  It provide secure online connection and block internet attacks.  Very easy to use and has several configuration option available to customize as per requirement.



  • Auto Sandbox
  • Block Internet Attack
  • Application Control
  • User Friendly Interface
  • Download Link (Official website)
  • File Size: 5.3 Mb
  • Support: Windows and Mac


It’s a free software that comes with powerful firewall. It can be install on majority of the Windows operating system. it’s has automatic learning mode which is good for novice user to handle this firewall.  It can easily detect and block wide range of trojans and viruses.  Additionally, it has a unique feature that prevent any system to modify the Windows Firewall’s settings.


  • Lightweight
  • Easy to Use
  • No Ads, No Pop-up
  • 100% Free
  • Download: Click here
  • System Support: Windows 10/8/7


Glasswire FirewallGlasswire is more like a new player but it comes with strong firewall that help to secure system from online threat. I personally never used GalssWire but it as 4.5 review on It has graphical mode interface that can be use to monitor individual application connected internet.


  • Detect Spyware
  • Block Malware
  • Restrict Apps activity
  • Secure WiFi connection
  • Track data consumption on PC
  • Download: Click here (Official website)
  • File Size: 33.9 Mb

Avast! Free Antivirus with Firewall

Avast Free Antivirus This software is one of the well known Antivirus that has in-built firewall, this provide excellent  protection against virus and online threat.  With free antivirus, it provide basic firewall tool that help to secure your computer via wifi and the internet.


  • Download Link (Official website)
  • File Size: 219 Kb (installation file)
  • System Support: Windows, Mac and Android

360 Total Security Firewall

360 Total SecurityThis is another free antivirus that comes with Antivirus, System Optimization and Firewall.  It’s a perfect firewall for home user. It support Windows and Mac OS. The ‘360 Total Security Essential’ has also Anti-ransomware, secure shopping, privacy protection etc. But, Firewall features comes with ‘360 Total Security Premium’ version.


  • Antivirus
  • Firewall
  • System Cleanup
  • Speedup
  • Download Link (Official website)
  • File Size: 1.4 Mb
  • System Support: Windows and Mac

You might also consider checking out top alternatives to 360 total security here.

So, these are the top and well known windows defender alternatives that you can consider to install on your system. Do let me know about your experience and if you are using any other software then please leave your comment below.



Founder and Writer @ WinOSBite. Future plan is to make this platform open to community to resolve and discuss various issues, usage related to Operating System.

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