Common file size: Approximately 450 MB to 700 MB (compressed).
GOG sells DRM-free versions of Cities: Skylines . The GOG version includes all updates up to v1.7.2 if you install from offline backup installers. Their version is identical to CODEX (pure crack-free) but 100% legal. Download Cities Skylines Mass Transit Update v1 7 2-f1-CODEX