Protection for a personal computer, or PC, is essential to safeguard its integrity and data. It involves employing a combination of security measures. This includes installing reputable antivirus and anti-malware software to prevent and remove malicious threats. Regularly updating the operating system and software ensures that known vulnerabilities are patched. Utilizing strong, unique passwords and enabling two-factor authentication enhances access control. Furthermore, using a firewall can block unauthorized network traffic. Backing up important data ensures recovery in case of hardware failure or data loss. Lastly, practicing safe online behavior by avoiding suspicious websites and downloads is crucial for overall PC protection.