If you remember your password but would like to change it, you can do so by logging into Altair One. Click on the icon in the top-right corner of Altair One and then select 'Account Settings.' Within this tab, you'll find the option to Change Password. 

Here you can reset the password and Set up/ reset your authentication method.

 

Here you can view or modify your profile and contact information and reset the password or the authentication method.