1. Download a VPN Client: Choose a free and open-source option like VPNMap. It's ideal for comprehensive security and ease of use.

2. Install VPN Client: Download the installer from the VPNMap website. Follow the installation instructions carefully.

3. Set Up an Account: Create a simple account with your public key. This allows the client to establish a server connection.

4. Configure Your Server: Use the browser extension to connect to the VPN. Install and configure the extension as needed.

5. Choose Features: Select encryption, ad-disabling, and other features based on your needs, focusing on simplicity and security.

6. Test Connection: Use a test connection to verify the VPN's functionality and reliability.

7. Consider Security: Ensure the VPN uses HTTPS for secure connection and check encryption details for robust security.

8. Browser Extension: Install the extension directly in your browser for convenience and ease of use.

9. Check Compatibility: Ensure the extension works on your Windows version, typically from the available list.

10. Budget Consideration: If feasible, opt for a free service to avoid costs.

By following these steps, you can securely express your internet connection using a reliable free VPN client.