Today's homes are full of IoT devices and many have little or no security measures. Some people assume that these risks are device specific, but the reality is many times these compromised devices can be leveraged to gain access to other devices on your network with much more dire consequences. The CUJO Smart Internet Security Firewall promises to protect all of your LAN devices from malware, viruses, hackers etc.
There is a lot of free Microsoft software to be had, programs which enable better web surfing and help protect against spyware are just two types. PCSTATS Tips