Houllier intends to alter Villa's playing style and training methods with the aid of new assistant manager Gary McAllister and first-team coach Gordon Cowans.
But the former Liverpool boss does not expect his revolution at Villa Park to happen overnight.
Houllier, who has signed a three-year deal, said: "In the short term I need to know the players more and they need to get used to the different types of training - more continental in terms of tactics - and a variety of drills.
"It will take time to implement and be accepted. You come with philosophies and beliefs and need to convince the players to do them.
"Will we be playing in a different way? Obviously it won't be done overnight. You can't change habits in the middle of a competition. It has got to be gradual. The first mission is to get results, the second is to be entertaining. At the top level you need entertainment for TV and the fans. That will take some time."
Source: PA
Source: PA