Hey, thank you so much for the report! Just to clarify: does it freeze your whole PC or is it just the game itself?
If it's your whole PC freezes: could you possibly update your graphics drivers and confirm it's still happening?
If it's just the game/application that freezes: could you try leaving the game to load for a few minutes? The demo is missing a loading screen which normally would notify you there's a load in progress at the start of a level, so this may make the longer load times confusing.
Also, if you could send your system specifications that would be super helpful for me to troubleshoot the issue with! :)