how to download MacOS Mojave 10.14 apple store download link says the link is damaged
I am trying to upgrade the OS on my macbook pro from Sierra 10.12.6 to Mojave 10.14 but am having the hardest time. When trying to download from the Apple store it says the download link is broken and so I cannot update?? why is this so difficult. How do I install the update?
MacBook Pro 13″, macOS 10.12