Can't find admin login

[MaineMadeSoap]

When I enter the admin address: www."url".com/?s=admin123 it brings me to my page and not the admin login.

[MaineMadeSoap]

I found the admin login page, but when I try to long in I get a 404 message.

[Basara]

Hello.

Try www."url".com/index.php?s=admin_key https://abantecart.atlassian.net/wiki/spaces/AD/pages/3801090/Can+not+login+to+admin