Upgrading from Mojave to Catalina

Bruskitpt wrote:

Thanks, leroydouglas, but unfortunately using your link takes me to the App Store, and the link is no longer valid.🙁

Any other ideas? Thanks.

? I just tried it myself your Catalina—seems like the server is acting as expected.

Verify you initiate the links using the Safari Browser...

Bruskitpt wrote:

How do I upgrade from Mojave to Catalina? Catalina isn't in the Apple Store anymore. I use Sibelius v. 2019.1, which supports Catalina, but apparently not Big Sur.

verify you are using the Safari browser to download/initiate the macOS links:

older macOS back up on the servers: links here—

https://support.apple.com/en-gb/HT211683

Bruskitpt wrote:

Thanks so much leroydouglas! I, uh, failed to follow your original instructions to use Safari.😬 Que c'est embarrassant.

Good computing Bruskitpt ! Onward and upward !