win39Winokur 39J Potassium Nitrate - 51. Airfloat Charcoal - 19. Antimony Trisulphide - 12. Atomized Aluminum 120-325 mesh - 9. Barium Carbonate - 5. DextrinFor other uses, see Windows 39. Windows 39 is the thirty-ninth main release of Microsoft Windows, released on January 18, 2171, as the successor to Windows 38. A new Quantum+