Mac OS 11.4 fails to download. Check internet error. but it is OK for all the sites.
Check internet error. but it is OK for all the sites. so what is the solution?
iMac 27″, macOS 11.3
This happened to me when I tried to update a few days ago. I suspect that a lot of people are downloading the update, and the servers can't keep up. Try waiting a little bit and see if it works after an hour or so.
The update is large! About 12 GB for me.