Bitdefender Antivirus Plus is an antivirus software designed especially for Windows PCs. Need security for all operating systems? Bitdefender Total Security offers cross-platform protection that covers Windows PCs, Macs, Smartphones and Tablets running Android or iOS for up to 10 devices. Need more devices?
The free option from ZoneAlarm gets great write-ups from tech site Techradar, which described it as ‘the best free firewall’ for Windows users. It’s worth noting that this free version lacks some of the options of its paid-for counterpart, such as 24/7 technical support. You’ll also have to contend with ads when using the software.