Crack the seed carefully not to damage the kernel,then extract the kernel out,soak it in water for 48 hours.After that you put them in a box with a few toilet paper sheets on the bottom of the box ,wich you soak it in water and place the seeds on top,close the lid.
The box with the seeds you keep it in the fridge for2- 3 months and when you take them out you keep them in a warm place and they will germinate.