Run the official web installer on the offline PC. The updater will read that text file, find the existing files, and "install" by copying them locally rather than downloading them from the web [9]. Important Considerations
: Even if you copy the files, DCS World requires a one-time internet activation to authorize your modules and account [17]. You must connect to the internet at least once during the initial launch or use the "Offline Mode" feature before disconnecting [12]. dcs world offline installer
If you have a complex mission or campaign that works perfectly on a specific version (e.g., v2.9), you may want an offline backup to prevent an automatic update from breaking it. Run the official web installer on the offline PC
Run the official web installer on the offline PC. The updater will read that text file, find the existing files, and "install" by copying them locally rather than downloading them from the web [9]. Important Considerations
: Even if you copy the files, DCS World requires a one-time internet activation to authorize your modules and account [17]. You must connect to the internet at least once during the initial launch or use the "Offline Mode" feature before disconnecting [12].
If you have a complex mission or campaign that works perfectly on a specific version (e.g., v2.9), you may want an offline backup to prevent an automatic update from breaking it.