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To be able to login on your laptop to ECMWF web sites without the need for a password or a token.

Step-by-step guide

  1. If you go to this page
    https://w3cert.ecmwf.int/PkiWeb/access/downloadrootca

    then you can click Download and follow the steps to install the root
    certificate authority.

    Tick the three boxes when prompted.

    1. Trust this CA to identify web sites
    2. Trust this CA to identify email users
    3. Trust this CA to identify software developers

  2. If you go to this page
    https://w3cert.ecmwf.int/PkiWeb/access/web

    then you can enter your userid and token passcode, and follow the steps
    to create a certificate.

  3. After completing, please restart your browser and in your new browser menu check your certificate, go to
    Tools
    Options
    Advanced
    Encryption
    View Certificates
    Your certificates
    If there you see any expired certificates, please delete them.