What am I supposed to do I cant play on Pixelmon mod because of a Java installment thing?

Everytime I try to play Pixelmon on Minecraft when I try to play it shows select a java install and when I browse it, it shows I have none java installed on my laptop which I have more then one on it because I can find a single one and when I push continue or cancel it shows up "the chose Java path is not valid! Please reainstall Java and try again. And how do I fix it or what do I do.
Where is the Java one I need and the pixelmon mod I need can you guys please help cause I am stuck on it and want to play, please send the link to the Java I need and I think I got all of the Pixelmod one done already incase give me the link to that to.
Oh and is there a way I can just play by myself and Lan open with some my friends to please tell me that to please I am trying to play with family and friends on pixelmon and it shows that java thing everytime we try to play but it still shows it. Please Help!

Read more: What am I supposed to do I cant play on Pixelmon mod because of a Java installment thing?