NoRoot Firewall is a free productivity application that allows you to firewall without ROOT.
We have tested NoRoot Firewall and think that it is a very useful and helpful tool that you should definitely try.
From Techforpc you could download it directly from the official app stores.
NoRoot Firewall on the App Store (soon)
How to download and install NoRoot Firewall for PC / Mac / Windows
If you want to download and run NoRoot Firewall on PC you will have to use an Android emulator such as BlueStacks.
With BlueStacks App Player you could run NoRoot Firewall on PC and Mac. Also, you could try to find out an alternative software for PC from Techforpc.