How to scan for virus on Mac book pro

macOS has built-in antivirus measures. If you download or install a potentially dangerous application, of if a malicious application causes a kernel panic, macOS will warn you and offer to move that app to the Trash.

If you still want third-party antivirus software, Malwarebytes is highly recommended by many users on this site. It can be downloaded here: https://www.malwarebytes.com/

Effective defenses against malware and other threats

MalwareBytes is not antivirus software. You are correct that it is often recommended by users on this site.