Why can i only download minecraft from the xbox app

i have been trying to download minecraft and i have it i have an account but it only is letting me download from the xbox app and when i look up minecraft launcher thats the only thing that comes up i have bought minecraft but i dont have the launcher on my pc and it also is trying to make me buy xbox gamepass to play minecraft but i just want to download it on the microsoft store but it always sends me to x box where i get a message saying do you have xbox game pass on this account? any help would be great