Arobas Music still supports legacy licenses. Go to the official Guitar Pro website and open a support ticket. Provide:
If validated, they will resend your User ID and Key ID. Be aware: GP6 is now legacy software (current version is GP8). They may offer you a discount to upgrade instead. Guitar Pro 6 User Id And Key Id
A popular urban legend claims that the User ID 111111 with a specific generic Key ID works on all GP6 installs. This is false. That combination triggers a "license expired" error because it was a demo unit ID. Arobas Music still supports legacy licenses
Search for emails from Arobas Music or MyCommerce (their former digital distributor). Look for keywords: If validated, they will resend your User ID and Key ID
If you own a legitimate GP6 license, Arobas Music offers an upgrade discount to GP8. Contact support or log into your account on their site — the discount is often 30–40% off.