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    1 min read 5 stepsFebruary 18, 2026Verified February 2026

    How to Configure Windows Firewall

    Manage your PC's firewall to block threats while allowing trusted programs through.

    In this guide (5 steps):

    1. 1.Open Windows Security
    2. 2.Check firewall status
    3. 3.Allow an app through
    4. 4.Create inbound/outbound rules
    5. 5.Restore default settings
    1

    Open Windows Security

    ~15s
    Go to SettingsPrivacy & SecurityWindows SecurityFirewall & Network Protection.
    2

    Check firewall status

    ~15s
    Ensure the firewall is On for all three network profiles: Domain, Private, and Public.

    Warning

    Never turn off the firewall unless a trusted technician specifically asks you to, and always turn it back on afterwards.

    3

    Allow an app through

    ~15s
    Click "Allow an app through firewall" to add specific programs to the allowed list.

    Quick Tip

    Only allow apps you recognize and trust through the firewall. If you are unsure about an app, search its name online first.

    4

    Create inbound/outbound rules

    ~15s
    Open "Advanced settings" for Windows Defender Firewall with Advanced Security to create custom rules.
    5

    Restore default settings

    ~15s
    If you've misconfigured the firewall, click "Restore firewalls to default" to reset all rules.

    You Did It!

    You've completed: How to Configure Windows Firewall

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    windows
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    Official Resources

    Microsoft SupportHow-To Geek — WindowsGCFGlobal — Windows Basics

    Sources used to create and verify this guide. View all sources →

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    How to Configure Windows Firewall — Step-by-Step Guide | TekSure