you downloaded Lumion from the official website (Act-3D). ⚠️ Be careful if you got it from a torrent or crack site — malware can disguise itself as .cache files. Always scan with Windows Defender or Malwarebytes.

The 2024.4.2 update, released in , introduced several fixes and features that this specific installer cache supports: Lumion-2024-4-2-Download.cache