You have the wrong key signature set. Your notes (tab numbers) imply a different key than what is declared. Go to Track > Add / Change Key Signature and select "Automatic detection." GP8 will scan your tab and suggest the correct key based on the accidentals present.
When users search for a "key," they are usually looking for one of two things: a legitimate license to activate the software or a way to bypass the payment system. Legitimate Activation Keys Guitar Pro 8 Key