Download and configure the VPN client following these instructions.
Download, install and start Sibelius:
macOS: https://cdn.avid.com/Sibelius/Sibelius/2025.4/L0UY6DG4/Sibelius_2025.4_Mac.dmg
Windows: https://cdn.avid.com/Sibelius/Sibelius/2025.4/L0UY6DG4/Sibelius_2025.4_Win.zip
Sibelius Sounds:
macOS: https://cdasupport.concordia.ca/files/SibeliusSoundsUpdate.pkg
Windows: https://cdasupport.concordia.ca/files/SibeliusSoundsUpdate.exe
Click Specify Licence Server.
Enter "cda-vpnlicsrv.concordia.ca:7313" in the text field and click ok.
Sibelius is now licensed.
Remember to always connect to VPN(Forticlient), before opening Sibelius.