An existing WIN that has been created can be copied. The operations from the existing WIN can be copied/cloned to create a new operation or copied and linked. 

To create a new WIN Task by copying from an existing task, ensure the model has "Is Template" selected.  Refer to Making a model a template for copying if the tasks aren't available when searching.

The Task being copied should be reviewed first to understand which operations need to be linked or cloned.
Link - The operation will linked to other Tasks WIN(s) that use the same operation
Clone - The operation will be copied and there is no link to any other Task WIN