Write down your passwords on a piece of paper. That's literally more secure than keeping your stuff on your computer. It still won't stop the services from wanting to be double sure you're you because your browser's cookies got cleaned
Also, reset your steam password from a browser, never from the program itself. Fucking captcha never works properly on the fucking program.
I would argue that as long as you're careful not to get any malware keepassXC is a lot more secure and comfortable to use than tying out the passwords one by one again. Or in general your own vault warden server