Protecting your PC from viruses is paramount. To safeguard your computer, install reputable antivirus software. Regularly update this software to ensure it can identify the latest threats. Avoid downloading files or clicking on links from untrusted sources. Be cautious when opening email attachments, as they can harbor malware. Keep your operating system and all software up to date, as updates often include security patches. Consider using a firewall to block malicious incoming connections. Practice safe internet browsing, staying away from suspicious websites. Lastly, back up your important data to prevent loss in case of an attack. These precautions will help keep your PC virus-free.