You can install a saddle using a single tool. If you're unhappy with your saddle, don't hesitate to replace or adjust it. There are all types of saddles for all types of bikes and rear ends. Browse around a bike shop or online, choose a saddle -- and then install it in minutes on your own bike.
Can you change a bike saddle?
While your bike probably came with a stock saddle, it may feel uncomfortable to sit on if you go on a long ride. Luckily, many bike stores sell after-market saddles with additional support so you don't get sore, and you can easily install it within a few minutes.