Free security software downloads

Rescue disks and second-opinion scanners for when your antivirus is not enough.

Every page links to the official vendor download and explains how to use the tool step by step.

Bootable Rescue Disks

Free bootable antivirus to clean infections that block Windows from starting.

Bootable Linux-based rescue environment to scan and repair an infected PC.

Discontinued by ESET - see the maintained rescue disk alternatives.

One-time malware scan and cleanup from ESET that runs alongside your current antivirus.

Fix "file in use by another process" errors and delete locked files without rebooting.

Scan a link, file hash or IP online without installing anything.