Torres won't join up for preseason until July 28 after his Confederations Cup commitments.
"I think I know the best way for a team to play to try to get the best out of him so I will try to help him," said Mourinho.
"I think he's a striker more comfortable when he has space to get behind defenders. He has it more difficult when opponents are very close, when opponents are compact and when he has to play in small spaces."
Asked if Torres can be a £50 million striker again, Mourinho said: "I think when Chelsea plays with that philosophy he can. Against some kinds of team he will be more comfortable, against others he will be less comfortable."