To use Bitdefender Antivirus in 2020, Windows users must have Windows 7 with Service Pack 1 or higher installed on their PC. Mac users must have OS X 10.10 (Yosemite) installed or a higher version,
IOS users need iOS 11.2 or higher for the mobile app. Android users require Android 4.1 (Jelly Bean) or higher. Note that your device must be connected to the internet for the mobile app to work on iOS and Android devices.