platform change

Hi!!, 🌸🪼 Is there a way to install stardew valley in pc for “free” if I have the switch version???? I wanna play with my friend that is a pc player but it doesn’t allow cross play 😖 (I also have the game in mobile form) 🫠 Do I have to buy the pc version 😭 thanks all of you in advance🫡 🫂 btw...