It's extremely easy to sign up for a trading account. To do so, click or tap 'Register account' in the app https://app.stormgain.com/ (web platform or smartphone/tablet app).
Fill in the Email and Password fields in the pop-up window. After this, confirm registration by clicking/tapping 'Register account'.
Alternatively, you can register at https://stormgain.com/
Fill in the Email and Password fields, then click 'Register'.