How can I effectively install an open French drain system in my yard to improve drainage and prevent water accumulation?

To effectively install an open French drain system in your yard, you will need to dig a trench, line it with landscape fabric, add a layer of gravel, place a perforated pipe on top, cover it with more gravel, and then top it off with soil and grass. This system will help improve drainage by directing water away from your yard and preventing water accumulation.