If you have forgotten your password and want to reset it, you can click on the reset password link as shown below.
You will need to re-enter your registered email address to which a reset link will be sent. This will help you change the password.
Alternately, you could change your password by going into your profile settings. Click on your profile on the top corner of your Team Space.
Click on "Profile" —> "Change Password" —> "New Password".
Click "Save" to save the new password and you are sorted!