This brief guide will let you know how your sim can change Aspiration in Sims 4.
1. At the moment, this sim has an Mt. Komorebi Sightseer aspiration.
2. You have to go to the aspiration panel from the bottom right side and then click on the star icon to go into the menu to see different aspirations.
3. After that, choose your new aspiration from this menu and then click on the tick mark at the bottom right corner of this window to track aspiration.