It scans your computer’s active memory and files for known threats.
Beyond just looking for viruses, it checks if your existing firewall is active and if your resident antivirus software is up to date. mcafee free virus scan
According to McAfee’s official support , their technology is designed to detect not just standard viruses, but also across both Windows and macOS platforms. How to Run Your Free Scan It scans your computer’s active memory and files