Consider moving to Guitar Pro 8 for modern OS support and new features.
, open GP6 and point it to the response file.
On a computer with internet access, visit the official Guitar Pro Offline Activation Page .
Guitar Pro 6 (released around 2010–2013) was a major upgrade from GP5, introducing the RSE (Realistic Sound Engine). Unlike newer subscription-based models, GP6 used a traditional license key system.