Can I use a previous version of ZoneAlarm? Updated September 29, 2017 09:20 Please be aware that technical support is offered only for the latest version. This is because most reported issues have been resolved by our development team, as new versions are released. In addition, using any outdated security product is not advisable. New Viruses, malware and attacks are discovered daily, and you need to keep all of your programs including Windows itself, as well as all security products updated at all times in order to stay ahead of the hackers.