The Sibelius Forum

Thanks for your advice, andyg. I'll make a note of the official Sibelius help page. In case this is useful for anyone else, since posting I've resolved the problem through a 2.5-hour phone conversation with an Avid Sibelius support agent, who got advice during our conversation from a tech person in ...

This isn't an answer - but I have the same problem. I can't activate Sibelius 2020.1 on my new laptop (Mac OS 10.15.3) having used Sibelius (now version 8.7.2) successfully on my desktop computer for many years. I'm in the process of emailing and talking to Avid/Sibelius support but they don't seem ...