To reset you password visit the URL:
Go to: https://apps.ecmwf.int/auth/reset-password/
Enter your email or uid.
This will send an email to reset your password, Please check your junk folder.
go to www.ecmwf.int and click Login.
On the Login window you will see a "Forgot Password" option, click on there
Then you , provide the username or email of your account
You will receive an email with a link , click on it
By clicking on that email you will be automatically logged into www.ecmwf.int , now, you can change your password by clicking on your name on the top right of www.ecmwf.int
Following that you will reach the page to change your password . Update the password as you see fitOnce you click the link you will then have a new password presented to you on the screen. After this you can change to a password of your choice by following the How to change my web and system password procedure.