How do I do this for a freelander land rover serpentine belt?

I am changing my 2002 freelander land rover serpentine belt, can I support the engine with a jack when I do this? I cannot seem to find any info on the process. thank for your replies :)|||I suppose you could but I don't know why you would want too . You don't have to jack the motor up to change the belt. There is a tensioner that losens the belt use that!