Ad-Aware Antivirus Free software is a security application that provides real-time protection against malware, spyware, and other online threats. The software performs quick and full system scans to detect and remove any potential threats. It also includes a web protection feature that blocks malicious websites and phishing attempts. Additionally, Ad-Aware Antivirus Free offers a gaming mode that allows uninterrupted gameplay while the software continues to protect the system in the background.