Start/Control panel/Security centrer [This is a new Icon placed there by SP2] click on there then on Firewall and you can enable or disable from there.
If its enabled it will show as green, if not, as red.
OnePlus 5T review: Hands-on
Illustrator Andrés Lozano on his improv line work, brazen use of colours & hand sketching
iPhone X review
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