Netflix says to sign up when trying to sign in
If you see steps to create a new account when you try to sign in to Netflix, follow these steps to return to the Sign In page.
If these steps didn't work, your account is either using a different email address or isn't active anymore. Check whether you've been charged by Netflix recently.
If you have:
A charge from Netflix in the last month: Your account is still active, but it might be set up with a different email address. Try signing in with a different email address.
Note:If you can't remember the email or phone number for your Netflix account, follow these troubleshooting steps.
No charge from Netflix in the last month: Your account might not be active anymore. Follow the steps to restart your account.
Note:If you have an active gift card or promotion on your account, you might not see recent charges from Netflix.