The "Sibelius Sounds" library can be upwards of 35GB. Running this over a USB 3.0 or even a USB-C connection can lead to significant lag and crashes.
You may encounter "Sibelius Portable" links on software aggregation sites. These are typically self-contained deployments designed to run without a traditional local installation. Functionality: sibelius portable link
Anyone with the link can view, play back, and transpose the score in a web browser without needing to own Sibelius. ✍️ "Annotate" Feature (Manual Writing) The "Sibelius Sounds" library can be upwards of 35GB