Keyframes help

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my skype :KeyEpic

I need help reworking the key frames I messed them all up and i just to the animation the was i want please help!

The only way to go back to an old version is to save often.
If you haven’t saved an open file you can step back to a working animation state by using Blenders Undo-command “cmd-z”
However if have closed the file and your computer has a “tmp”- folder there might be a minor chance that you will find an older version in this folder. If not just delete all the keyframes and start from scratch.