Microsoft Safety Scanner is a free, portable malware removal tool that scans Windows PCs for viruses, spyware, and other malicious software without requiring installation.
Designed for on-demand security checks and infected system cleanup, it complements-but does not replace Microsoft Defender Antivirus or other real-time antivirus software.
Scans must be started manually, and the tool expires 10 days after download, so Microsoft recommends downloading the latest version before each use to ensure up-to-date malware definitions.
