If the cost is a barrier, try TuxGuitar or MuseScore . They are open-source, completely free, and can open many Guitar Pro files (.gp, .gpx, .gp5).
The safest way to access all is through the official Guitar Pro 7-day free trial . Duration: 7 days. guitar pro 8 license key free verified
A "free verified key" for Guitar Pro 8 is almost always a trap. Protecting your computer and supporting the creators ensures that the tools we use to make music continue to evolve. If the cost is a barrier, try TuxGuitar or MuseScore