You need an email account to sign the petition

You need an email account to sign the petition.
If you don’t have one, the following two posts explain how to create one.
https://www.petitionpage.org/this-video-demonstrates-how-to-create-a-new-gmail-account-step-by-step/
https://www.petitionpage.org/instruction-how-to-create-an-e-mail-account/