As the saying goes, “a few megabytes of prevention is worth a terabyte of cure,” or something like that. Is it worth it to upgrade to a paid version? You can’t schedule scans or even use it as a regular antivirus program, but it’s invaluable when you think that something nasty has slipped by your primary antivirus utility. MalwareBytes Anti-Malware Free was designed specifically to find and eliminate those cutting-edge “zero-day” vulnerabilities. The Windows Security software enabled by default in Windows 10 provides solid protection for most users, but no single antivirus utility offers bulletproof protection, especially against the latest and most clever threats.