What is the built-in antivirus software for Windows?

The built-in antivirus software for Windows is Windows Defender (Windows Security Center). It is a built-in antivirus and security protection tool in the Windows operating system. Windows Defender provides real-time protection, scanning files, programs, and downloaded content on the computer, and monitoring and blocking potential malicious software or threats.

Windows Defender includes the following features:

Real-time protection: Continuously monitoring your computer in the background to prevent attacks from malware and other security threats.

Scan and detect: Conduct a thorough scan, detect, and remove malware on the computer. It is also possible to selectively scan specific files, folders, or drives.

3. Firewall and network protection: Offers essential firewall capabilities to help protect computers from network attacks.

4. Browser protection: Integrated into Microsoft Edge browser, providing a secure browsing experience, helping to block malicious websites and downloads.

Definition updates: Windows Defender regularly fetches the latest virus definitions and security updates to ensure timely protection against newly emerging threats.

Please be aware that while Windows Defender offers basic protection, you may need to consider other third-party antivirus software for more advanced security protection.