1. Add 0.0.0.0 account.zoner.com to your windows hosts file (Windows\System32\drivers\etc\hosts) 2. Install software, but don't run it 3. Replace pack.dat 4. Run software and keep it offline using your firewall if needed 5. Go to options (CTRL+M) and in "General" disable telemetry (Help future development...) In "Integration" disable auto update (Check for updates on system startup) Optionally you can also delete ZPSAutoupdate.exe file in "Program Files\Zoner\Photo Studio 19\Program32" 6. Enjoy your offline version of Zoner software...