To sign up, you just need to visit https://piece.investments and click on "Signup" in the upper right corner of the page.
You need to insert your first name, last name, and email. If you have one, you can also use a referral code given by a friend, which will allow you to get a money incentive.
After reading Terms and Conditions, you can proceed following the instructions to verify your email.
Once your email is verified, your account is created, and you can start using the platform.