You're about to apply for citizenship of Elemental. However, because Elemental is not independent, the national government is the Federated States of Gapla, you'll have to go to their website to apply.
Official process on application:
Navigate to https://my.gaplagov.org/citizenship in your web browser.
Note: The State of Elemental and the Federated States of Gapla recommends that you use Brave (download: https://brave.com/download), but other modern browsers such as Chrome, Edge, Opera, Firefox, Vivaldi, Whale, Yandex, etc. will also work.
Fill in the application. In the last field, for Chosen State or Territory, type Elemental.
Submit the form and wait for a response.