How to Turn On Windows Firewall
Method 1 of 3:
Turning on Windows Firewall in Windows 7, 8.1, and 10
- Open Start. Click on "Search". Type "firewall" into the search box. Select "Windows Firewall" from the result list.
- Select "Turn Windows Firewall on or off" in the left pane. Enter your administrator password if you are prompted for one.
- Click "Turn on Windows Firewall" in the network locations you wish to protect. Click "OK" to confirm the change.
- You can also select the "Block all incoming connections, including those in the list of allowed programs" check box if you want Firewall to block all programs.
- You can also select the "Block all incoming connections, including those in the list of allowed programs" check box if you want Firewall to block all programs.
Method 2 of 3:
Turning on Windows Firewall in Windows Vista
- Open the Start menu and select "Control Panel."
- Select "Security" and then click on "Windows Firewall."
- Click "Turn Windows Firewall on or off." You may be prompted to enter an administrator password.
- Select "On (recommended)," then click "OK" to confirm the change.
- Select the "Block all incoming connections" check box to have Firewall block all programs, even those on the "Exceptions" tab.
- Select the "Block all incoming connections" check box to have Firewall block all programs, even those on the "Exceptions" tab.
Method 3 of 3:
Turning on Windows Firewall in Windows XP
- Open the Start menu.
- Click on "Run" and type in "Firewall.cpl" in the box. Click "OK."
- Select "On (recommended)" in the "General" tab. Click "OK."
- In some cases, the "On (recommended)" option might be grayed out. It may be because a third-party firewall is already in use on the system. Turn off the third-party firewall to activate Windows Firewall. Make sure to consult with your system administrator before hand, if you have one.
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