Consequences:
For example, with no Cold War, and with Europe a lot less prostrate after the war, the US would probably not be involved in extrahemispheric politics to nearly the same extent; demobilization after the war would be more complete and US attention would be directed more towards Asia after the defeat of Japan.
Germany remains united and is a major world power. And German nationalism is not discredited by going down in flames with the Nazis; instead it (in the form of the German army) disposes of the Nazis and brings Germany out of the war if not triumphant then fairly successful and in a better position than it was in in 1939.
Hence the exaggerated pacifism and anti-militarism of our Germany's postwar period would not happen.
Ripple effects like that would extend all over Europe. No Greek civil war, for instance.
France would still have to worry about Germany a bit, unlike OTL, but not about Russia. It would probably make a more determined effort to hang onto its overseas possessions and would face somewhat weaker challenges there. Whether that would affect the outcome is a moot point.
In fact, all the European powers would be in a different position vs. a vs. anticolonial movements. First, they (Britain particularly) would be much stronger; second, they'd be much less hampered by the Cold War and by the Soviets supporting 'national liberation' movements.
Events throughout Asia also would be very different, mainly because the Japanese wouldn't be nearly so successful.
That in turn would mean a lot less upsetting of applecarts; the prestige of the colonial powers in general and Britain in particular would be much greater.
Instead of humiliating defeats and surrenders and a partial rescue by the US, the British stop the Japanese in their tracks and drive them back. The Japanese never get to the Dutch East Indies, IIRC, and don't occupy Malaysia and Burma. The course of decolonization would be different; slower, for starters.
Would there be a partition of India, for instance, or would it become independent as a unitary state and successor to the Raj?
And then there's the outcome of the Chinese civil war.
Worldwide, a lot depends on how much 'leaks out' about the original history. If the news gets out, people all over the world would be doing pre-emptive strikes on their future opponents, trying to kill them off before they can get started.
