Even with the offline installer, you'll still need a one-time online activation for your modules.
You might ask, "Why not just use the web installer?" Here are the concrete benefits of going offline. dcs world offline installer
Many users ask: "Doesn't Steam have an offline mode?" Even with the offline installer, you'll still need
You download a small .exe file (the updater), which then handles the massive multi-gigabyte download for you. 2. The "Local Source" Trick for Offline Installation Even with the offline installer