Bank reconciliation

I created a cash account for my bank account.
At end of month, when bank monthly statement is available, how do I reconcile?

Read the guide:

I went to the reports tab, but I could not see any bank recon stmt.
Other than reports such as income stmt and B/S etc, there was a mysterious customs report.
But when I clicked on it, it opened and showed nothing. There was a query there though.

Then you did not create your bank account properly or you have no transactions in it. Reports appear as they are needed and their tabs are enabled. Did you create the bank account in the Cash Accounts tab?