Guitar Pro 6 was originally released in 2010. Because of its age, official support for the software has largely concluded, which impacts modern compatibility:
Understanding Guitar Pro 6 Activation: License, Support, and Upgrades Guitar Pro 6 User Id And Key Id
When you buy a legitimate copy of the software, the registration system requires two distinct strings of alphanumeric data to unlock the program. They serve separate but interconnected roles: Guitar Pro 6 was originally released in 2010
If you want, I can (A) draft an email to vendor support requesting a license recovery (include placeholders for your info), or (B) give exact file search commands for your OS—tell me which option you prefer. Understanding Your Guitar Pro 6 Activation: User ID
Understanding Your Guitar Pro 6 Activation: User ID and Key ID Explained
If you want to get your older software running smoothly, tell me: What are you currently using?
If you bought the software but cannot find your account details, you can request manual recovery.