Edit: Rene beat me to it by 8 minutes, with the same answer, but a link with much extensive information & screenshots.
Hover mouse over Component. -> press “e” -> Select: Fields “Footprint” -> Clear the “Field Value” on the right, or use the “Assign Footprint” button to get a new Footprint with the “Library Browser”.
(With the 6 legged chip icon in the “Library Browser” you can view the 3D symbol of any selected Footprint in Real-time.)
Pleasy don’t pay too much attention if I type Stupid things. For some reason about 1 out of 40 posts I type are apparently sometimes being interpreted as “rude” whil my intentions were the opposite.