From the Start Screen, click the Desktop tile. The Desktop view will open. From the Desktop, hover in the lower right-hand corner to access the Charms. Select Control Panel from the Settings charm. The Control Panel window will open. Control Panel - Win8 Click on System and Security. The System and Security Panel will appear. 459f1878e6a7ea0c95079f93f7106b9d-1256783860-179-1.png Click on Windows Firewall. The Windows Firewall panel will appear. 459f1878e6a7ea0c95079f93f7106b9d-1256784141-862-1.png If you see a green check mark, you are running Windows Firewall. 459f1878e6a7ea0c95079f93f7106b9d-1256783860-179-3.png [https://support.mozilla.org/en-US/kb/firefox-and-other-browsers-cant-load-websites https://support.mozilla.org/en-US/kb/firefox-and-other-browsers-cant-load-websites]