cant install

Good morning So I have a problem I can't install the game even though we are on 07/31/2023 is on steam it is written that it is available from today. I would like help thank you. (I'm in France)

hello! so i bought ED on steam. and whenever i launch the game it gives me a launcher. and there is diffrent version like arena, single player and leacy which i have installed. but then i see Elite Dangures horizon version which is not installed, and thats the live game. so i press install and...