If you are not satisfied with the Windows in-built parental control tool, you can use Parental Time Control, the best free parental control software for Windows, Android devices, and Macs. Using this freeware parental control, you can easily keep track of your kid's online activity. For example, with whom your child is communicating on the internet, which games he is playing, what he is searching on the internet, how much time he is spending online, etc. This app also lets parents block sites for free that they don't want their children to visit.