Guide to Make New Account
- Try clicking on the 3 lines thing on the login screen.
- There are 2 buttons on the left side.
- The top one said “account”.
- When you click on it, there is an option to switch to facebook account. Maybe try switching to that instead of your steam account.
Note: Starting fresh with another steam account should work as well.
UPD. Follow above but choose the second/bottom option on the left, it is “Delete Account” menu, You just need to accept all checkbox and confirm to delete the account.