Go to the www.guitar-pro.com website, and click on "Support". In the Customer Area log-in form enter your User ID and password.
If you have forgotten your User ID or password, click here.
Once you are logged into your Customer Area, click on the link "Download (full software, RSE soundbanks, manual…) available below your User ID.
Click on "Download Mac© version" to start dowloading the update.