10 best free firewall software for Windows
There's an ocean of firewalls
Firewalls act as gatekeepers that regulate data flow between internal and external networks based on security rules, while antivirus tools detect malicious activity in a computer or network system based on malware signatures and behaviors. Microsoft already packs Windows with a firewall and even antivirus, but there are also alternative and completely free firewall programs you can install. Many of them have features and options that are easier to use and understand than the ones Microsoft offers. Many antivirus programs also include firewalls, but we’ll only discuss dedicated firewall software here.
