Bitdefender is an antivirus software suite developed by Romania-based software company Softwin. Bitdefender is designed to protect computers from viruses and spyware. Unlike the commercial version, the free tools only offer an on-demand virus scanning and doesn't provide real time scanning, and may therefore be less suitable for machines with a continuous connection to the internet.

“Bitdefender Antivirus Plus is the acknowledged Antivirus of the Year. With a non-intrusive and extremely fast scanning technology, it offers essential silent security against e-threats. Experience the best antivirus at an incredible speed, without slowdowns! Bitdefender Photon™ is an innovative antivirus technology that accelerates scanning speed by gradually adapting to your PC. Bitdefender Safepay™ safeguards your payments and also au...”

“Bitdefender Antivirus Essential uses technologies Antivirus and antiphishing protection repeatedly rewarded. Free access to updates to the virus signature database throughout the life of your PC. A "discreet" protection: no configuration required, no warning message or interruptions in your use of the PC. A lightweight product that will not slow down your computer.”

“Active Virus Control is a proactive, dynamic detection technology. It monitors processes’ behavior in real time, as they are running, and tags suspicious activities.”