Had Hitler won World War II, what would be different in the post war world ? Here are a few examples:
1 - No USSR (the Soviet government murdered millions of its own people during its 70 year reign - to study this topic read the writings of Aleksandr Solzhenitsyn; Hitler would have liberated the USSR, though taking large parts of its Western region for lebensraum, "living space".)
2 - No cold war (because there would be no USSR)
3 - No Communist Eastern Europe/Iron Curtain (when WWII ended, Eastern Europe fell to Communism - this was part of Stalin's spoils of war)
4 - No Red China and Mao's subsequent killing of 40 - 60 million Chinese (the USSR created favorable conditions for Mao's Communists which ultimately led to Mao's victory over Chiang Kai-shek's Nationalists in 1949, thus if no USSR, no Mao victory)
5 - No Communist North Vietnam (both the Soviet Union and Red China aided Ho Chi Minh)
6 - No Communist Cambodia and Pol Pot's slaughter of 2 million Cambodians (Red China aided Pol Pot)
7 - No dividing Korea into North Korea & South Korea (the Allies split Korea after WWII ended, with North Korea becoming Communist... another of Stalin's spoils of war)
8 - No Communist Cuba (given the previous, what support would Castro have had in the 1950's)
9 - No Communism anywhere (Hitler was the world's most fervent anti-Communist)
10 - Liberalism & multiculturalism wouldn't dominate Western ethos (both are Jewish creations and both have always been heavily promoted/advanced by Jews; thus if no Jewish influence, then no liberalism and no multiculturalism... at least certainly nowhere near the degree we see today)
11 - No Cultural Marxism and no political correctness (these are social engineering "tools" which came out of the Jewish think tank known as the Frankfurt School)