you chang the part that says 04/11/2021 to 4/11/1990
Sorry, it still doesn't work, even with the last version of Among Us. Now I can use PlayerPrefs to choose a name instead of getting a random one, but I'm still unable to sign in (errror: PlatformNotSupported while I'm on PC) and to use free chat, even if I change dates. I'll try to contact Innersloth support. Thanks for trying to help me.