To log into EDA system you need to have an Eurosat ID, which means you have to be registered on https://login.eurosat.cz first.
Start your registration on https://login.eurosat.cz by clicking on Register as a new user.
The registration form page will appear. Fill in your e-mail (the same one that an EDA email invitation came to) and create a password. (The password has to contain at least eight characters, both uppercase and lowercase, and a digit).
Click on the Register button to create a new account. Immediately after registering you should receive a confirmation email asking you to confirm and activate your new account. Click on the activation link in the email. Now you are successfully registered and have your Eurosat ID which allows you to easily access all Eurosat applications.
To log into EDA visit https://login.eurosat.cz and enter the email and password you used to register (your Eurosat ID), then click on Log in.
Click on EDA.