: Services like Proton VPN or PrivadoVPN offer free tiers that allow you to change your public IP address securely without needing a registration code.

: Sites claiming to offer "cracked" serial keys often bundle malicious software, such as keyloggers or ransomware, with the download. Software Instability

You don't need a registration code to get a professional-grade IP switcher. Several reputable companies offer "Freemium" versions that are secure and legal.

If your goal is to or change your country for privacy reasons (rather than just switching local network settings), a standard "IP Switcher" will not work. For that, you would need: VPN: Encrypts your connection and masks your IP. Tor Browser: A free browser for anonymous communication.

If you are looking for similar free network management tools: Free IP Switcher - Free download and install on Windows