There are tons of programs on this very website. Use that. Otherwise, google “Jim Wendler Help a Friend Get Stronger” and follow that plan.
Otherwise, read Paul Kelso’s “Powerlifting Basics Texas Style”. Follow the programs included in the chapter titled “Dear Mr Kelso What Should I do?”
For nutrition, consider using this
After 6-12 months, do Jon Andersen’s Deep Water program and diet. Or just do it now. That works too.