Reach Not Appearing On MCC

I have game pass ultimate and downloaded Halo Reach for the MCC and it isnt showing up on the campaign tab when i open the game so i checked my downloads but it said it had been downloaded. Has any one else had this problem and how can i fix it?

Reach is not available until December 3rd.

Oh alright thanks

While you can pre-order, pre-installing won’t be available until closer to launch and as noted above it won’t be available until December 3rd