From the Guitar Pro website
You can consult the mySongBook catalog from the mySongBook section of the Guitar Pro website.
From Guitar Pro 8
Download Guitar Pro 8 from this link
You can use Guitar Pro 8 as a free mySongBook player.
We invite you to consult this article to know how to access mySongBook tabs from Guitar Pro 8.
From the Guitar Pro Mobile application for iOS or Android
The mySongBook catalog can also be consulted from the Guitar Pro mobile application.