https://twitter.com/TigerCA123/status/1260718242084974592

Tiger
@TigerCA123
Windows Central Gaming deleted their tweet after they got confirmation that the demo can't run on Xbox Series X because it doesnt have Ultra Fast Speed SSD like on PlayStation 5

In interview with Geoff Keighley:
EpicGames will downscale the demo so it can run on other platforms
https://twitter.com/5chan_nel (5ch newer account)