Sign up for a Google Ad Manager account

Nothing happened when I clicked to sign up for a Google Ad Manager account; the website simply reloaded.

I recently subscribed for a premium account to enable monetization but if it’s useless I need a refund if I can’t sign up for an ad manager account.

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Hi @Fathima_Sahra
I hope you are fine. For create a Google Ad Manager account you should have a app that approved for monetization.
Simply, read this to understand for further details. How do I know if my application has been approved?