In order to sign up, go to Cropink.com and click on the "Start for free" button. Enter your email address, choose a password and click "Sign Up" to create your account.
A new field will appear where you need to enter a 4-digit code, which has been sent to your e-mail inbox. Once entered, provide any necessary information such as your first name, last name and team name which you will be working under.
By default your account will be on freemium plan with a capacity of 100 products. If you wish to upgrade it at any point in the future, you can do so in the project "Settings" tab.