Why I my laptop saying that im not signed into google play

so my laptop wont let me download anything to it it says im not signed into google play but i am it also says that my google play isnt connected to my computer , i was wondering if these computers just dont download things my computer type is XE503C12-K01US so i copied what it keep saying and here it is- This Google account is not yet associated with a device. Please access the Play Store app on your device before installing apps.