One great free alternative history short story is 'The Man in the High Castle' by Philip K. Dick. It presents an alternate world where the Axis powers won World War II. Another is 'Fatherland' by Robert Harris, which also explores a world where the Nazis won. You can often find these stories in public libraries for free, or sometimes on free e - book platforms.
Sure. There are quite a few free alternative history short stories available online. For example, some indie authors post their works on platforms like Wattpad. You might come across stories that re - imagine the outcome of the American Civil War in a different way, or ones that change the events of the Industrial Revolution. It just takes some searching around to find the really interesting ones.