is there any way to keep the original Path apart from copy it ?

The original is shown only while editing. Once you exit the tool, the results are "flattened".

And are multiple Offsets possible ?

You mean "new offsets"? Yes, you close the tool and select it again, then you can add offset to another part of the path.

made a little Video here

@VectorStyler, is there any way to keep the original Path
apart from copy it ?

And are multiple Offsets possible ?
Sorry, seems my imagination is spinning

Just asking, no further action needed