The new mind map is the root node and you can give it any name you want. The name of this root node will be the name of the mind map. Once you have given it a name, you can save the mind map.
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|style="width: 50%;|Step 2 - Once you click on save, you will see a window like this.
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You can save the folder you want to select the folder you want to save it on.
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Here the mind map is named Food and is saved under home/ranjani/Documents