1
To get to the Settings screen, click you user icon in the top right.
2
Click "Settings".
3
Click "Change Password" under your user picture and name. This
4
Once clicked, you will see a "Password Reset!" green button, and a message that the password reset email has been sent to your email address on file.
Now you just have to visit your email account, find the email, and click on the link in it to be able to update your password to a new one.