[SOLVED] How do I restore a long lost Minecraft world

Mar 7, 2019
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So I had this world which is very dear to me that I lost back in 1.2.5, It was made on another PC and I lost it there. Even though I think it is impossible to get it back, was just wondering if there is some way. If it is possible please tell me how. This is a very dear world to me and I put a ton of hours in it when I was young.