1. go to https://redesky.com/register/
2. type your nickname on the "nick" field
3. the email field has to end with @gmail.com or @yahoo.com perhaps more than that, every email should work as long as it ends with that
4. type your password in the "senha" field and "confirmar senha" field (senha means password in portuguese)
5. click the "I'm not a robot" checkbox,
6. Press the "registrar" button

then connect to redesky with the nickname and password you registered on the website, you dont even have to verify your email