For production-ready use, we recommend downloading the original file.The viewer version is intended for web viewing only. In the Original format, the following are fully preserved:✔ full scene structure✔ unsimplified materials✔ accurate texture maps✔ original object namesIf you plan to use this model in production, download the original version.White window with wooden windowsill fully opening just grab the frame of the wing and rotate it on the appropriate axis to open or tilt. To keep realism don t forget to rotate the handle too good luck