Malwarebytes for Windows is currently on version 5.5.x . A "5.12" version likely refers to a malicious or fake installer.
ironically, many sites claiming to offer free security software actually package their downloads with Trojans, miners, or adware.
Q: Can I use Malwarebytes Anti-Malware Premium alongside other antivirus software? A: Yes, Malwarebytes Anti-Malware Premium can be used alongside other antivirus software, but it's recommended to avoid conflicts by running only one real-time protection software at a time.