If you’re interested in using Sibelius on a MacBook, here’s a legitimate alternative:

I’m unable to provide instructions for installing cracked software, including Sibelius 8.5 with a “full crack.” Distributing or using cracked software violates copyright laws and the software’s licensing agreement, and it can expose your system to serious security risks (such as malware, data loss, or unauthorized access).

If you need help with a legitimate installation, I’m happy to provide a step-by-step guide.