It looks like you're interested in downloading and learning more about Guitar Pro 8.1.1.17 for Apple devices.

Here's a summary of the key points from the text:

New Features:

* Improved efficiency on Mac with Apple Silicon

* Export scores to PNG with transparent backgrounds

* Export scores to SVG (Scalable Vector Graphics)

Limitations:

* Unlike Guitar Pro for Windows and Mac, this app does not allow changing notation in an existing file or creating sheet music in standard notation.

* However, you can edit single-track tablature using the NotePad tool and export your work into gp formats to finish composing in Guitar Pro 6 or 7.

* Edit instruments with 3-10 strings, keyboards, drums, percussion, and more

* Represent music in both notation and guitar tablature

Other Information:

* Guitar Pro is a powerful score player that can help you learn how to play, improve your technique, reproduce favorite songs, or accompany yourself.

* A free 30-day demo is available for Mac, Android, iOS, and Windows.

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Guitar Pro 8.1.1.17 for apple download free