Windows 11 is the new operating system, and the end of life for Windows 10 is approaching, with updates ceasing on October 14, 2025.It is advised to upgrade to Windows 11 as Windows 10 will stop receiving critical updates, leaving vulnerabilities unpatched.Since Windows is widely used, it is a lucrative target for cybercriminals, and staying updated is crucial for security.Windows Defender Antivirus comes pre-installed with Windows 11 and performs well in protecting against malware threats.Windows Defender Antivirus lacks additional security features like VPN or parental controls, making it basic in functionality.Using a premium antivirus service is recommended as it offers broader device compatibility and additional security tools like password managers.Cybercriminals target individuals for various reasons, including forming botnets, stealing data for fraud, or launching ransomware attacks.Ransomware attacks have been on the rise, making it important to have robust cybersecurity measures in place.Antivirus software can safeguard against a range of cyber threats beyond malware, enhancing overall device and data protection.Free antivirus apps and third-party solutions can complement Windows Defender Antivirus to bolster security measures effectively.