By changing one letter at a time to form different English words, and leaving all other letters in their original positions, convert FIVE into FOUR in seven (or fewer) steps. Good luck!

F I V E
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F O U R

Here is a seven-step SOLUTION.

A SEVEN-STEP SOLUTION:

FIVE > FIRE > FORE > FORT > FOOT > FOOL > FOUL > FOUR
 

Did you come up with a different series of words? Feel free to post your solution in the comments. Thanks!