Is the Windows XP operating system still supported by ZoneAlarm products? Updated October 02, 2017 10:38 ZoneAlarm has ended the life of Windows XP support in ZoneAlarm products. If you currently own a paid version for Windows XP you can continue to use it and renew your subscription online. We no longer sell the XP version for new purchases. The last compatible version of ZoneAlarm for XP is 14.3.119.000 Please contact Support by live chat if you need to re-download the XP version.