What maintenance should be done to extend the life of the Ford Puma's engine?

I recently bought a Ford Puma and want to make sure I take proper care of the engine so it lasts as long as possible. What specific maintenance tasks do you recommend for maintaining the longevity of the engine?

Regular oil changes, using high quality oil and filters

Making sure the cooling system is working properly

Keeping up with scheduled maintenance tasks, such as replacing spark plugs and air filters

Avoiding harsh driving habits, such as sudden acceleration and braking