The game does not allow saving and I cannot change the graphics settings, restart but it does not change
Hello marcoevo90 welcome to the Anno 1800 forums.
Which game launcher are you trying to us with the game? Uplay, Steam, Epic?
Can you please make sure you meet the system requirements - https://support.ubisoft.com/en-us/Article/000061892
Can you also try verifying your game files as well in case a corrupt game file is causing this behaviour? -
Here are some instructions on how to do this in Ubisoft Connect -
https://support.ubisoft.com/en-gb/Article/000060529
Here are some instructions on how to do this in Steam -
https://support.steampowered.com/kb_...2037-QEUH-3335