Checking their page, I have found this devlog: https://nachogames.itch.io/thats-not-my-neighbor/devlog/708650/read-if-you-have-...
Have you tried these steps?
That being said, I do not know this game - so try deactivating your antivirus (or rather try setting the game on the whitelist of your antivirus, never just deactivate it permanently without very good reason) at your own discretion.