I've analyzed the provided text and key, which is 'Guitar Pro 8.1.1.17 download the new version for windows'. Based on this information, I can provide you with some relevant details.

Minimum System Requirements: Guitar Pro requires Microsoft Windows 7, 8, 10, or 11 to run.

Latest Version: The latest version of Guitar Pro is 8.1.1, which was last updated and available for download from their official website.

Free Alternative: If you're looking for a free alternative, Magix Music Maker 2024 for Windows is a popular choice.

Download Options: You can download Guitar Pro 8.1.1 by logging into your account on the Guitar Pro website after purchasing the software or receiving a download link from their official website.

What is Guitar Pro?: GUITAR PRO 8 is considered the ultimate toolbox for guitarists and leading software for reading and editing tabs. It can represent music in both note form and tablature format, making it popular among musicians.

German Review: For those who read German, Guitar Pro has been praised as a favorite notation program among guitar enthusiasts, capable of representing music in various formats.

Please let me know if you'd like more information or assistance with downloading the software!