Step 1: Open the Control Panel
Hold down the Windows key () and press "X". Select "Control Panel" in the menu.
Step 2: Open Windows Firewall Settings
In the Control Panel select "System and Security"
Now in System and Security select "Windows Firewall"
Step 3: Enable the Firewall
Ensure that both the private and public network firewalls are turned on. We recommend leaving the checkmarks in the notify option as seen below. Once you have selected both, click "OK"
Your firewall will now be enabled.