4. REGISTER: Register with CK-12 1. Click Register on the Home page ( http://flexbooks.ck12.org/flexr/ ). 2. Fill in your details in the Registration Form and click Register Now . *An activation email will be sent to your inbox.
5. REGISTER: Validation 4. Click Sign In to sign into the application. 3. Click the link in the verification e-mail to activate your account.