[br][list][*]Start with the edge that has the lowest weight.[/*][*]Select the edge with the lowest weight that's still left and add it to the tree.[br][u]Note[/u]: if the addition of the edge with the lowest weight creates a cycle, drop it and take the next lowest edge.[br][/*][*]Continue this way until all nodes are connected. [/*][*]The subgraph you arrived at is called the minimal spanning tree.[/*][/list]