Ventus

Ventus is Company Made in 1722. it was Formed form fragments of Sedn-O-Soft it was The Predecessor of Microsoft it Made OS called WindOS. witch was renamed in 1894 as PC-OS.

OS versions
WindOS 1730

WindOS 1750

WindOS 1760

WindOS 1780

WindOS 1790

WindOS 1800

WindOS 1815

WindOS 1830

WindOS 1850

WindOS 1880

WindOS 1890

PC-OS Demo (1894)

PC-OS 1 (1899)

PC-OS PLUS! (1901)

PC-OS 2 (1904)

PC-OS 3 (1908)

PC-OS 4 (1910)

PC-OS 5 (1914)

PC-OS 6 (1918)

PC-OS 7 (1920)

PC-OS 8 (1930)

PC-OS 9 (1940)

PC-OS 10 (1950)

PC-OS 1955 (1955)