Please follow the step-by-step guide to create an Apple-id :
Step 1: Launch the "Settings" app.
Step 2: Tap once on the option to "Sign in" to your iPad at the top of the screen.
Step 3: Select option "don't have an Apple ID or forgot it"?
Step 4: Select option "create Apple ID" when the window pops up.
Step 5: Enter a date of birth. Click Next.
Step 6: Enter your first and last name. Click Next.
Step 7: Select your current email address or get a new iCloud email address.
Step 8: Enter the email address.
Step 9: Create a password. Verify the password.
Step 10: Select a security question.
Step 11: Type an answer.
Step 12: Repeat two more times.
Step 13: Agree to the Terms and Conditions.
Step 14: Select the option to Merge or Don't Merge to sync iCloud data from Safari, reminders, contacts and calendars, as per your preferences.
Step 15: Tap OK to confirm "Find My iPad" is turned on.
Please click on the link for further details - https://www.imore.com/how-create-new-apple-id-your-iphone-or-ipad