If you are part of an enterprise account with your school or district, follow the instructions provided to you in the email invitation you received from your school, or contact your school for instructions. Not following school specific instructions will prevent your account from being linked to the correct data.
Once you have downloaded the SPEDup app from either Google Play or the AppStore, you'll need to register.
Click on the Get Started link in the app.
As an individual user of SPEDup, you will still have access to many of the great features, saving you time and effort in collecting and analyzing data.
If you are signing up yourself, select the option to create a new school or organization and continue to register with your name, email, phone etc.