If you want to copy an existing folder to paste it to another location, right-click on the folder to be copied and select the "Copy" option.
To insert the folder, right-click on the location where you want to insert the folder and select the "Insert" option.
If the folder is inserted at the same level as the original, it has the suffix"_copy".
To move a folder, right-click on it and select "Cut". Then insert it again at the desired location.
It is easier if you drag and drop the folder to the desired location.