...
Click on the Sign in link, which is visible in the upper right area of the Data Browser page:
Alternatively navigate to https://webgate.ec.europa.eu/cas/eim/external/register.cgi and follow the instructions of the page.
...
When the user is not signed in, a Sign in link is visible in the upper right area:
After entering the required credentials, clicking on the Sign In button finalizes the authentication procedure:
Once authenticated, the user’s first and last names are displayed:
Signing out
Click on the Sign out link in the upper right area, next to the user’s first and last names:
A confirmation is requested:
Once signed out, the Data Browser is displayed again: