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- Go to the Control Panel (Start > Control Panel), click on Windows Firewall.
- If the Windows Firewall state is set to On (shown in the screenshot below), then you are
already good to go and you can close the window.
- If the Windows Firewall state is set to Off, then click on Turn Windows Firewall
on or off from the left menu pane. - Check each button next to Turn on Windows Firewall. By default, only Notify me when Windows
Firewall blocks a new program should be checked. In any case, make sure that option is the only
one checked. Once you have turned Windows Firewall on, you may close the window.
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- Go to System Preferences (can be found on the dock or by going to Apple menu > System
Preferences), and click Security. - In the Security section, click on the Firewall tab.
- If necessary, click the lock icon on the lower left, and enter your OS admin password to
allow changes to be made. - If not already set by default, Select Set access for specific services and applications
so that the listed services are allowed through the firewall.
6. Extend your warranty
See computer purchase and warranty recommendations for information on purchasing the appropriate warranty coverage.
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