Installation requires downloading important content. That content can't be downloaded at this time. Try again later.
I want to update my laptop to macOS 10.13.4. Yesterday I downloaded the update but I didn't install it. When I woke up today and turn on my laptop, launched Install macOS High Sierra and click on Continue the error appears Installation requires downloading important content. That content can't be downloaded at this time. Try again later.
I need help to update my MacBook, Please help me to fix this issue
iMac, macOS Sierra (10.12.4)