I did saw multiple topics but all of them said: Step 1 have blender… my pc cant support blender man 
so yeah is there any way of doing this without blender pls 
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Right click in studio and export selection, and then use this:
Why do you need to convert a rbxm file to fbx?
my friend gave me an animation file which was a rbxm file for some reason thats why am here : /
Read what i said, and animations wont work with objs