How do I turn on the Firewall in Windows 10? By YL ComputingDecember 9, 2022Windows 10 1. Open Start. 2. Type in “Windows Defender Firewall” and press Enter. 3. Click Turn Windows Defender Firewall on or off. 4. Select Turn on Windows Defender Firewall for both Private and Public networks. 5. Click OK to save your changes.
