To what extent was Vladimir Lenin’s significance to Russia’s change from a Tsarist regime to Communism?

Vladimir Lenin, their leader, rose to power and governed between 1917 and 1924.[1] The Bolsheviks formed the Russian Soviet Federative Socialist Republic, or the Union of Soviet Socialist Republics, marking the beginning of the Russian Civil War between the revolutionary Reds and the counter-revolutionary Whites. In 1922, the Communist Reds were victorious and formed the Soviet Union, making Russia communist