Mr Okorocha was on the ballot despite having a running battle with the Economic and Financial Crimes Commission (EFCC) over fraud.
“If I have done anything that does not go down well with him or anybody, forgive and forget.”
Last week, Rochas Okorocha had in a visit to president Buhari, asked him to prevail on the EFCC to obey court orders relating to his case.
The Nigerian senator has also scheduled a press conference to unfurl his agenda for the top office.
Mr Okorocha was also accused of holding clandestine meetings with opposition figures.