To set up a firewall on a computer, follow the steps below:

1. Take Inventory: Take inventory of the devices on your network and think about which services you need to access on or from the Internet.


2. Assign Rules: Create rules that block unwanted inbound traffic and allow outbound traffic for approved services.


3. Software Consideration:Consider investing in specialized software that will help you maintain, monitor, and configure your firewall.


4. DNS Setup: Make sure your firewall is set up to properly handle DNS requests.


5. Test and Secure: Test your firewall to make sure it’s working properly and secure it to ensure it stays that way.