On the Web App:
1. Find the profile circle near your name at the upper right corner and click on it.
2. Select "Change Password."
3. Enter your existing password (for security) and then proceed to set a new one.
On the Mobile App:
1. Tap on the menu icon located at the top left.
2. In the side menu, choose "Settings" and then "Change password."
3. Enter your existing password (for security) and then proceed to set a new one.