@nordlovisa You should be able to play on lower graphics settings. How low depends on which packs you install: with only the base game, medium or medium-high settings might be fine; with all packs installed, you might need to stay with low-medium settings.
It's fine to experiment with the settings too, turning up one or two at a time and seeing what kind of performance you get. As long as the laptop isn't overheating, it shouldn't do any harm. On that note, be sure to play on a hard flat surface, or else elevate the laptop to let air circulate underneath.
If you play the game and are satisfied with how it runs, it's a good idea to add expansions one at a time and test, so you don't get a huge performance hit all at once. Game and stuff packs generally don't have much of an impact, with the exception of Realm of Magic and possibly the Paranormal pack.