Minecraft Gmail Forgot What To Do?

Hello 5 years ago I got a minecraft account from a friend and got the password and name but unfortunately not the gmail wants to register via mojang to play the windows 10 edition of minecraft for free can someone help me to solve this problem?

You could change the address - but you would need access to the old address at least once.

That's the problem, I don't have it

Then the problem can only be solved by asking the friend.

Write to support and ask what the email from the username is that you used

"Hello I'm Gronkh what is my email address"

Yes, that's what they say.

Have password from acc

I have to read the question correctly.