A firewall is an essential element for any computer, because thanks to it, all kinds of intruders are prevented from sneaking through the ports of our computers, preventing and restricting access to external threats that enter the Internet.
If at this point you have not opted for any firewall, then a good option is VisNetic Firewall. It is a firewall for both individual use and for local network (LAN) uses, so that none of the computers that make up the LAN can suffer unwanted access.
The restriction and protection options of the VisNetic Firewall firewall can be configured by the user.
You can free download VisNetic Firewall 32, 64 bit and safe install the latest trial or new full version for Windows 10 from the official site.