Version 16.5.0.135 is the latest update available for Norton Internet Security 2009, made available for users encountering issues when updating to build 16.5.0.134.
The number of devices you can use simultaneously - either one, five or 10 - depends on which plan Norton Internet Security runs on. Norton Secure VPN is only available on the four main platforms - Windows, Android, Mac and iOS. As mentioned earlier, the higher-tier Norton 360 products add in (Kaspersky Internet Security for Mac includes the latter.) MORE: Norton Review - AntiVirus Plus vs 360 Standard vs 360 Deluxe.
