Big Sur Not Found
Hi-
I have been trying to upgrade from Catalina to Big Sur since yesterday evening. Initially the update showed up as available, then mysteriously disappeared.
Since it vanished, I have been getting this:
I have tried using both the Software Update tool available thru System Preferences and thru the App Store; neither works. My Mac keeps telling me that I have the latest software, which is Catalina 10.15.7.
Is this Apple or something else going on? Do I just need to continue to wait? I'm so frustrated right now.