Hi! My name is Aj and Im an Independent Advisor here to help! Im sorry to hear about your account. Kindly take note that this is a user to user forum in which I am also a co-user it will still be best to go to this link https://support.microsoft.com/en-us/account-billing/account-has-been-locked-805e8b0d-4141-29b2-7b65-df6ff6c9ce27
You can wait 24 hours before trying to log in again because usually account get locked out because of multiple attempts of failed log in.
Go to this guide and try sign in helper tool https://support.microsoft.com/en-us/account-billing/help-with-the-microsoft-account-recovery-form-b19c02d1-a782-dee6-93c3-dc8113b20c42
then if it doesnt work proceed in submitting an account recovery form at https://account.live.com/acsr and fill it with as much information as you can. After submission allow 24-48hours for verification.