This is offline database for IObit Security 360 so you can update an offline computer.


1. Check the icon of IObit Security 360 in system tray, right-click it and choose "Exit".

2. Copy and paste these two files (Core.def and Addition.def) to IObit Security 360 program files and directories (Usually path: "C:\Program Files\IObit\IObit Security 360").

3. Reboot IObit Security 360.